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Finding the Fourth Proportional to 571,880.67, 857,827.14 and 172,524.90

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Solution

The fourth proportional to 571,880.67, 857,827.14 and 172,524.90 is: 258,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,880.67 : 857,827.14 = 172,524.90 : x
  2. Step 2: Convert to fraction form
    571,880.67/857,827.14 = 172,524.90/x
  3. Step 3: Cross multiply
    571,880.67x = 857,827.14 × 172,524.90
  4. Step 4: Simplify right side
    571,880.67x = 147,996,541,545.79
  5. Step 5: Solve for x
    x = 147,996,541,545.79/571,880.67
  6. Step 6: Final answer
    x = 258,789.20

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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.