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Finding the Fourth Proportional to 673,210.70, 1,009,816.05 and 460,634.30

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Solution

The fourth proportional to 673,210.70, 1,009,816.05 and 460,634.30 is: 690,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,210.70 : 1,009,816.05 = 460,634.30 : x
  2. Step 2: Convert to fraction form
    673,210.70/1,009,816.05 = 460,634.30/x
  3. Step 3: Cross multiply
    673,210.70x = 1,009,816.05 × 460,634.30
  4. Step 4: Simplify right side
    673,210.70x = 465,155,909,320.52
  5. Step 5: Solve for x
    x = 465,155,909,320.52/673,210.70
  6. Step 6: Final answer
    x = 690,951.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.