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Finding the Fourth Proportional to 591,014.87, 885,248.95 and 400,429.56

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Solution

The fourth proportional to 591,014.87, 885,248.95 and 400,429.56 is: 599,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,014.87 : 885,248.95 = 400,429.56 : x
  2. Step 2: Convert to fraction form
    591,014.87/885,248.95 = 400,429.56/x
  3. Step 3: Cross multiply
    591,014.87x = 885,248.95 × 400,429.56
  4. Step 4: Simplify right side
    591,014.87x = 354,479,847,538.96
  5. Step 5: Solve for x
    x = 354,479,847,538.96/591,014.87
  6. Step 6: Final answer
    x = 599,781.61

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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.