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Finding the Fourth Proportional to 369,327.92, 553,794.96 and 191,656.04

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Solution

The fourth proportional to 369,327.92, 553,794.96 and 191,656.04 is: 287,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,327.92 : 553,794.96 = 191,656.04 : x
  2. Step 2: Convert to fraction form
    369,327.92/553,794.96 = 191,656.04/x
  3. Step 3: Cross multiply
    369,327.92x = 553,794.96 × 191,656.04
  4. Step 4: Simplify right side
    369,327.92x = 106,138,149,005.56
  5. Step 5: Solve for x
    x = 106,138,149,005.56/369,327.92
  6. Step 6: Final answer
    x = 287,381.87

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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.