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Finding the Fourth Proportional to 555,401.52, 832,432.50 and 255,470.87

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Solution

The fourth proportional to 555,401.52, 832,432.50 and 255,470.87 is: 382,898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,401.52 : 832,432.50 = 255,470.87 : x
  2. Step 2: Convert to fraction form
    555,401.52/832,432.50 = 255,470.87/x
  3. Step 3: Cross multiply
    555,401.52x = 832,432.50 × 255,470.87
  4. Step 4: Simplify right side
    555,401.52x = 212,662,250,829.11
  5. Step 5: Solve for x
    x = 212,662,250,829.11/555,401.52
  6. Step 6: Final answer
    x = 382,898.22

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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.