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Finding the Fourth Proportional to 588,278.40, 881,105.40 and 509,546.40

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Solution

The fourth proportional to 588,278.40, 881,105.40 and 509,546.40 is: 763,183.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,278.40 : 881,105.40 = 509,546.40 : x
  2. Step 2: Convert to fraction form
    588,278.40/881,105.40 = 509,546.40/x
  3. Step 3: Cross multiply
    588,278.40x = 881,105.40 × 509,546.40
  4. Step 4: Simplify right side
    588,278.40x = 448,964,084,590.56
  5. Step 5: Solve for x
    x = 448,964,084,590.56/588,278.40
  6. Step 6: Final answer
    x = 763,183.02

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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.