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Finding the Fourth Proportional to 522,932.88, 784,296.03 and 143,755.77

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Solution

The fourth proportional to 522,932.88, 784,296.03 and 143,755.77 is: 215,605.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,932.88 : 784,296.03 = 143,755.77 : x
  2. Step 2: Convert to fraction form
    522,932.88/784,296.03 = 143,755.77/x
  3. Step 3: Cross multiply
    522,932.88x = 784,296.03 × 143,755.77
  4. Step 4: Simplify right side
    522,932.88x = 112,747,078,981.81
  5. Step 5: Solve for x
    x = 112,747,078,981.81/522,932.88
  6. Step 6: Final answer
    x = 215,605.26

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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.