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Finding the Fourth Proportional to 571,884.48, 857,832.87 and 172,528.71

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Solution

The fourth proportional to 571,884.48, 857,832.87 and 172,528.71 is: 258,794.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,884.48 : 857,832.87 = 172,528.71 : x
  2. Step 2: Convert to fraction form
    571,884.48/857,832.87 = 172,528.71/x
  3. Step 3: Cross multiply
    571,884.48x = 857,832.87 × 172,528.71
  4. Step 4: Simplify right side
    571,884.48x = 148,000,798,456.70
  5. Step 5: Solve for x
    x = 148,000,798,456.70/571,884.48
  6. Step 6: Final answer
    x = 258,794.92

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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.