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Finding the Fourth Proportional to 497,790.90, 746,686.35 and 182,279.70

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Solution

The fourth proportional to 497,790.90, 746,686.35 and 182,279.70 is: 273,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,790.90 : 746,686.35 = 182,279.70 : x
  2. Step 2: Convert to fraction form
    497,790.90/746,686.35 = 182,279.70/x
  3. Step 3: Cross multiply
    497,790.90x = 746,686.35 × 182,279.70
  4. Step 4: Simplify right side
    497,790.90x = 136,105,763,872.10
  5. Step 5: Solve for x
    x = 136,105,763,872.10/497,790.90
  6. Step 6: Final answer
    x = 273,419.55

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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.