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Finding the Fourth Proportional to 555,304.20, 832,470.30 and 377,233.80

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Solution

The fourth proportional to 555,304.20, 832,470.30 and 377,233.80 is: 565,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,304.20 : 832,470.30 = 377,233.80 : x
  2. Step 2: Convert to fraction form
    555,304.20/832,470.30 = 377,233.80/x
  3. Step 3: Cross multiply
    555,304.20x = 832,470.30 × 377,233.80
  4. Step 4: Simplify right side
    555,304.20x = 314,035,934,656.14
  5. Step 5: Solve for x
    x = 314,035,934,656.14/555,304.20
  6. Step 6: Final answer
    x = 565,520.55

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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.