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Finding the Fourth Proportional to 557,003.76, 835,521.84 and 136,279.52

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Solution

The fourth proportional to 557,003.76, 835,521.84 and 136,279.52 is: 204,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,003.76 : 835,521.84 = 136,279.52 : x
  2. Step 2: Convert to fraction form
    557,003.76/835,521.84 = 136,279.52/x
  3. Step 3: Cross multiply
    557,003.76x = 835,521.84 × 136,279.52
  4. Step 4: Simplify right side
    557,003.76x = 113,864,515,304.72
  5. Step 5: Solve for x
    x = 113,864,515,304.72/557,003.76
  6. Step 6: Final answer
    x = 204,423.24

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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.