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Finding the Fourth Proportional to 1,094.32, 1,640.87 and 363.50

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Solution

The fourth proportional to 1,094.32, 1,640.87 and 363.50 is: 545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.32 : 1,640.87 = 363.50 : x
  2. Step 2: Convert to fraction form
    1,094.32/1,640.87 = 363.50/x
  3. Step 3: Cross multiply
    1,094.32x = 1,640.87 × 363.50
  4. Step 4: Simplify right side
    1,094.32x = 596,456.25
  5. Step 5: Solve for x
    x = 596,456.25/1,094.32
  6. Step 6: Final answer
    x = 545.05

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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.