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Finding the Fourth Proportional to 514,131.52, 770,192.88 and 354,179.20

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Solution

The fourth proportional to 514,131.52, 770,192.88 and 354,179.20 is: 530,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,131.52 : 770,192.88 = 354,179.20 : x
  2. Step 2: Convert to fraction form
    514,131.52/770,192.88 = 354,179.20/x
  3. Step 3: Cross multiply
    514,131.52x = 770,192.88 × 354,179.20
  4. Step 4: Simplify right side
    514,131.52x = 272,786,298,084.10
  5. Step 5: Solve for x
    x = 272,786,298,084.10/514,131.52
  6. Step 6: Final answer
    x = 530,576.88

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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.