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Finding the Fourth Proportional to 992,759.73, 1,488,843.68 and 361,525.92

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Solution

The fourth proportional to 992,759.73, 1,488,843.68 and 361,525.92 is: 542,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,759.73 : 1,488,843.68 = 361,525.92 : x
  2. Step 2: Convert to fraction form
    992,759.73/1,488,843.68 = 361,525.92/x
  3. Step 3: Cross multiply
    992,759.73x = 1,488,843.68 × 361,525.92
  4. Step 4: Simplify right side
    992,759.73x = 538,255,579,340.56
  5. Step 5: Solve for x
    x = 538,255,579,340.56/992,759.73
  6. Step 6: Final answer
    x = 542,181.12

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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.