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Finding the Fourth Proportional to 529,581.52, 795,158.52 and 520,133.68

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Solution

The fourth proportional to 529,581.52, 795,158.52 and 520,133.68 is: 780,972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,581.52 : 795,158.52 = 520,133.68 : x
  2. Step 2: Convert to fraction form
    529,581.52/795,158.52 = 520,133.68/x
  3. Step 3: Cross multiply
    529,581.52x = 795,158.52 × 520,133.68
  4. Step 4: Simplify right side
    529,581.52x = 413,588,727,190.95
  5. Step 5: Solve for x
    x = 413,588,727,190.95/529,581.52
  6. Step 6: Final answer
    x = 780,972.73

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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.