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Finding the Fourth Proportional to 291,285.92, 402,098.72 and 195,848.24

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Solution

The fourth proportional to 291,285.92, 402,098.72 and 195,848.24 is: 270,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,285.92 : 402,098.72 = 195,848.24 : x
  2. Step 2: Convert to fraction form
    291,285.92/402,098.72 = 195,848.24/x
  3. Step 3: Cross multiply
    291,285.92x = 402,098.72 × 195,848.24
  4. Step 4: Simplify right side
    291,285.92x = 78,750,326,618.25
  5. Step 5: Solve for x
    x = 78,750,326,618.25/291,285.92
  6. Step 6: Final answer
    x = 270,354.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.