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Finding the Fourth Proportional to 777,606.13, 1,073,101.31 and 433,463.91

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Solution

The fourth proportional to 777,606.13, 1,073,101.31 and 433,463.91 is: 598,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,606.13 : 1,073,101.31 = 433,463.91 : x
  2. Step 2: Convert to fraction form
    777,606.13/1,073,101.31 = 433,463.91/x
  3. Step 3: Cross multiply
    777,606.13x = 1,073,101.31 × 433,463.91
  4. Step 4: Simplify right side
    777,606.13x = 465,150,689,658.72
  5. Step 5: Solve for x
    x = 465,150,689,658.72/777,606.13
  6. Step 6: Final answer
    x = 598,182.90

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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.