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Finding the Fourth Proportional to 448,281.69, 618,610.70 and 244,328.25

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Solution

The fourth proportional to 448,281.69, 618,610.70 and 244,328.25 is: 337,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,281.69 : 618,610.70 = 244,328.25 : x
  2. Step 2: Convert to fraction form
    448,281.69/618,610.70 = 244,328.25/x
  3. Step 3: Cross multiply
    448,281.69x = 618,610.70 × 244,328.25
  4. Step 4: Simplify right side
    448,281.69x = 151,144,068,540.63
  5. Step 5: Solve for x
    x = 151,144,068,540.63/448,281.69
  6. Step 6: Final answer
    x = 337,163.15

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Half scale
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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.