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Finding the Fourth Proportional to 532,967.12, 735,423.84 and 342,238.88

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Solution

The fourth proportional to 532,967.12, 735,423.84 and 342,238.88 is: 472,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,967.12 : 735,423.84 = 342,238.88 : x
  2. Step 2: Convert to fraction form
    532,967.12/735,423.84 = 342,238.88/x
  3. Step 3: Cross multiply
    532,967.12x = 735,423.84 × 342,238.88
  4. Step 4: Simplify right side
    532,967.12x = 251,690,631,326.90
  5. Step 5: Solve for x
    x = 251,690,631,326.90/532,967.12
  6. Step 6: Final answer
    x = 472,244.20

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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.