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Finding the Fourth Proportional to 803,951.52, 1,205,952.96 and 404,374.08

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Solution

The fourth proportional to 803,951.52, 1,205,952.96 and 404,374.08 is: 606,574.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,951.52 : 1,205,952.96 = 404,374.08 : x
  2. Step 2: Convert to fraction form
    803,951.52/1,205,952.96 = 404,374.08/x
  3. Step 3: Cross multiply
    803,951.52x = 1,205,952.96 × 404,374.08
  4. Step 4: Simplify right side
    803,951.52x = 487,656,118,723.28
  5. Step 5: Solve for x
    x = 487,656,118,723.28/803,951.52
  6. Step 6: Final answer
    x = 606,574.04

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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.