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Finding the Fourth Proportional to 571,882.91, 857,830.52 and 172,527.14

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Solution

The fourth proportional to 571,882.91, 857,830.52 and 172,527.14 is: 258,792.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,882.91 : 857,830.52 = 172,527.14 : x
  2. Step 2: Convert to fraction form
    571,882.91/857,830.52 = 172,527.14/x
  3. Step 3: Cross multiply
    571,882.91x = 857,830.52 × 172,527.14
  4. Step 4: Simplify right side
    571,882.91x = 147,999,048,796.21
  5. Step 5: Solve for x
    x = 147,999,048,796.21/571,882.91
  6. Step 6: Final answer
    x = 258,792.57

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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.