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Finding the Fourth Proportional to 721,939.91, 996,952.15 and 464,264.33

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Solution

The fourth proportional to 721,939.91, 996,952.15 and 464,264.33 is: 641,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,939.91 : 996,952.15 = 464,264.33 : x
  2. Step 2: Convert to fraction form
    721,939.91/996,952.15 = 464,264.33/x
  3. Step 3: Cross multiply
    721,939.91x = 996,952.15 × 464,264.33
  4. Step 4: Simplify right side
    721,939.91x = 462,849,317,557.38
  5. Step 5: Solve for x
    x = 462,849,317,557.38/721,939.91
  6. Step 6: Final answer
    x = 641,118.90

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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.