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Finding the Fourth Proportional to 1,094.09, 1,641.30 and 363.50

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Solution

The fourth proportional to 1,094.09, 1,641.30 and 363.50 is: 545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.09 : 1,641.30 = 363.50 : x
  2. Step 2: Convert to fraction form
    1,094.09/1,641.30 = 363.50/x
  3. Step 3: Cross multiply
    1,094.09x = 1,641.30 × 363.50
  4. Step 4: Simplify right side
    1,094.09x = 596,612.55
  5. Step 5: Solve for x
    x = 596,612.55/1,094.09
  6. Step 6: Final answer
    x = 545.30

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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.