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Finding the Fourth Proportional to 781,601.80, 1,172,402.70 and 466,673.80

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Solution

The fourth proportional to 781,601.80, 1,172,402.70 and 466,673.80 is: 700,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,601.80 : 1,172,402.70 = 466,673.80 : x
  2. Step 2: Convert to fraction form
    781,601.80/1,172,402.70 = 466,673.80/x
  3. Step 3: Cross multiply
    781,601.80x = 1,172,402.70 × 466,673.80
  4. Step 4: Simplify right side
    781,601.80x = 547,129,623,139.26
  5. Step 5: Solve for x
    x = 547,129,623,139.26/781,601.80
  6. Step 6: Final answer
    x = 700,010.70

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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.