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Finding the Fourth Proportional to 598,818.60, 898,227.90 and 520,086.60

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Solution

The fourth proportional to 598,818.60, 898,227.90 and 520,086.60 is: 780,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,818.60 : 898,227.90 = 520,086.60 : x
  2. Step 2: Convert to fraction form
    598,818.60/898,227.90 = 520,086.60/x
  3. Step 3: Cross multiply
    598,818.60x = 898,227.90 × 520,086.60
  4. Step 4: Simplify right side
    598,818.60x = 467,156,294,536.14
  5. Step 5: Solve for x
    x = 467,156,294,536.14/598,818.60
  6. Step 6: Final answer
    x = 780,129.90

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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.