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Finding the Fourth Proportional to 573,084.24, 859,317.48 and 439,635.12

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Solution

The fourth proportional to 573,084.24, 859,317.48 and 439,635.12 is: 659,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,084.24 : 859,317.48 = 439,635.12 : x
  2. Step 2: Convert to fraction form
    573,084.24/859,317.48 = 439,635.12/x
  3. Step 3: Cross multiply
    573,084.24x = 859,317.48 × 439,635.12
  4. Step 4: Simplify right side
    573,084.24x = 377,786,143,437.90
  5. Step 5: Solve for x
    x = 377,786,143,437.90/573,084.24
  6. Step 6: Final answer
    x = 659,215.73

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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.