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Finding the Fourth Proportional to 527,026.56, 790,553.92 and 172,062.08

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Solution

The fourth proportional to 527,026.56, 790,553.92 and 172,062.08 is: 258,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,026.56 : 790,553.92 = 172,062.08 : x
  2. Step 2: Convert to fraction form
    527,026.56/790,553.92 = 172,062.08/x
  3. Step 3: Cross multiply
    527,026.56x = 790,553.92 × 172,062.08
  4. Step 4: Simplify right side
    527,026.56x = 136,024,351,827.35
  5. Step 5: Solve for x
    x = 136,024,351,827.35/527,026.56
  6. Step 6: Final answer
    x = 258,097.72

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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.