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Finding the Fourth Proportional to 591,454.80, 813,624.93 and 518,529.27

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Solution

The fourth proportional to 591,454.80, 813,624.93 and 518,529.27 is: 713,306.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,454.80 : 813,624.93 = 518,529.27 : x
  2. Step 2: Convert to fraction form
    591,454.80/813,624.93 = 518,529.27/x
  3. Step 3: Cross multiply
    591,454.80x = 813,624.93 × 518,529.27
  4. Step 4: Simplify right side
    591,454.80x = 421,888,341,006.70
  5. Step 5: Solve for x
    x = 421,888,341,006.70/591,454.80
  6. Step 6: Final answer
    x = 713,306.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.