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Finding the Fourth Proportional to 497,871.30, 745,424.55 and 484,047.30

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Solution

The fourth proportional to 497,871.30, 745,424.55 and 484,047.30 is: 724,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,871.30 : 745,424.55 = 484,047.30 : x
  2. Step 2: Convert to fraction form
    497,871.30/745,424.55 = 484,047.30/x
  3. Step 3: Cross multiply
    497,871.30x = 745,424.55 × 484,047.30
  4. Step 4: Simplify right side
    497,871.30x = 360,820,740,781.22
  5. Step 5: Solve for x
    x = 360,820,740,781.22/497,871.30
  6. Step 6: Final answer
    x = 724,726.93

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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.