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Finding the Fourth Proportional to 526,488.61, 789,732.31 and 171,502.06

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Solution

The fourth proportional to 526,488.61, 789,732.31 and 171,502.06 is: 257,252.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,488.61 : 789,732.31 = 171,502.06 : x
  2. Step 2: Convert to fraction form
    526,488.61/789,732.31 = 171,502.06/x
  3. Step 3: Cross multiply
    526,488.61x = 789,732.31 × 171,502.06
  4. Step 4: Simplify right side
    526,488.61x = 135,440,718,013.56
  5. Step 5: Solve for x
    x = 135,440,718,013.56/526,488.61
  6. Step 6: Final answer
    x = 257,252.89

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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.