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Finding the Fourth Proportional to 501,029.46, 691,418.13 and 271,585.86

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Solution

The fourth proportional to 501,029.46, 691,418.13 and 271,585.86 is: 374,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,029.46 : 691,418.13 = 271,585.86 : x
  2. Step 2: Convert to fraction form
    501,029.46/691,418.13 = 271,585.86/x
  3. Step 3: Cross multiply
    501,029.46x = 691,418.13 × 271,585.86
  4. Step 4: Simplify right side
    501,029.46x = 187,779,387,455.64
  5. Step 5: Solve for x
    x = 187,779,387,455.64/501,029.46
  6. Step 6: Final answer
    x = 374,787.12

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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.