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Finding the Fourth Proportional to 557,005.76, 835,524.84 and 136,281.52

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Solution

The fourth proportional to 557,005.76, 835,524.84 and 136,281.52 is: 204,426.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,005.76 : 835,524.84 = 136,281.52 : x
  2. Step 2: Convert to fraction form
    557,005.76/835,524.84 = 136,281.52/x
  3. Step 3: Cross multiply
    557,005.76x = 835,524.84 × 136,281.52
  4. Step 4: Simplify right side
    557,005.76x = 113,866,595,192.96
  5. Step 5: Solve for x
    x = 113,866,595,192.96/557,005.76
  6. Step 6: Final answer
    x = 204,426.24

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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.