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Finding the Fourth Proportional to 355,125.52, 532,943.12 and 240,988.72

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Solution

The fourth proportional to 355,125.52, 532,943.12 and 240,988.72 is: 361,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,125.52 : 532,943.12 = 240,988.72 : x
  2. Step 2: Convert to fraction form
    355,125.52/532,943.12 = 240,988.72/x
  3. Step 3: Cross multiply
    355,125.52x = 532,943.12 × 240,988.72
  4. Step 4: Simplify right side
    355,125.52x = 128,433,280,321.61
  5. Step 5: Solve for x
    x = 128,433,280,321.61/355,125.52
  6. Step 6: Final answer
    x = 361,656.01

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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.