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Finding the Fourth Proportional to 662,089.38, 991,219.11 and 593,718.90

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Solution

The fourth proportional to 662,089.38, 991,219.11 and 593,718.90 is: 888,861.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,089.38 : 991,219.11 = 593,718.90 : x
  2. Step 2: Convert to fraction form
    662,089.38/991,219.11 = 593,718.90/x
  3. Step 3: Cross multiply
    662,089.38x = 991,219.11 × 593,718.90
  4. Step 4: Simplify right side
    662,089.38x = 588,505,519,648.18
  5. Step 5: Solve for x
    x = 588,505,519,648.18/662,089.38
  6. Step 6: Final answer
    x = 888,861.14

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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.