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Finding the Fourth Proportional to 555,730.27, 766,952.80 and 314,062.97

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Solution

The fourth proportional to 555,730.27, 766,952.80 and 314,062.97 is: 433,432.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,730.27 : 766,952.80 = 314,062.97 : x
  2. Step 2: Convert to fraction form
    555,730.27/766,952.80 = 314,062.97/x
  3. Step 3: Cross multiply
    555,730.27x = 766,952.80 × 314,062.97
  4. Step 4: Simplify right side
    555,730.27x = 240,871,475,678.61
  5. Step 5: Solve for x
    x = 240,871,475,678.61/555,730.27
  6. Step 6: Final answer
    x = 433,432.35

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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.