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Finding the Fourth Proportional to 477,443.52, 715,520.16 and 181,794.24

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Solution

The fourth proportional to 477,443.52, 715,520.16 and 181,794.24 is: 272,445.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,443.52 : 715,520.16 = 181,794.24 : x
  2. Step 2: Convert to fraction form
    477,443.52/715,520.16 = 181,794.24/x
  3. Step 3: Cross multiply
    477,443.52x = 715,520.16 × 181,794.24
  4. Step 4: Simplify right side
    477,443.52x = 130,077,443,691.88
  5. Step 5: Solve for x
    x = 130,077,443,691.88/477,443.52
  6. Step 6: Final answer
    x = 272,445.72

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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.