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Finding the Fourth Proportional to 673,784.33, 930,200.76 and 467,353.40

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Solution

The fourth proportional to 673,784.33, 930,200.76 and 467,353.40 is: 645,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,784.33 : 930,200.76 = 467,353.40 : x
  2. Step 2: Convert to fraction form
    673,784.33/930,200.76 = 467,353.40/x
  3. Step 3: Cross multiply
    673,784.33x = 930,200.76 × 467,353.40
  4. Step 4: Simplify right side
    673,784.33x = 434,732,483,217.58
  5. Step 5: Solve for x
    x = 434,732,483,217.58/673,784.33
  6. Step 6: Final answer
    x = 645,210.15

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Half scale
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Double scale
Find fourth proportional to 673,785.33, 930,202.14 and 467,354.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.