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Finding the Fourth Proportional to 1,094.60, 1,641.92 and 363.88

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Solution

The fourth proportional to 1,094.60, 1,641.92 and 363.88 is: 545.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.60 : 1,641.92 = 363.88 : x
  2. Step 2: Convert to fraction form
    1,094.60/1,641.92 = 363.88/x
  3. Step 3: Cross multiply
    1,094.60x = 1,641.92 × 363.88
  4. Step 4: Simplify right side
    1,094.60x = 597,461.85
  5. Step 5: Solve for x
    x = 597,461.85/1,094.60
  6. Step 6: Final answer
    x = 545.83

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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.