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Finding the Fourth Proportional to 1,101.57, 1,652.34 and 332.07

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Solution

The fourth proportional to 1,101.57, 1,652.34 and 332.07 is: 498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101.57 : 1,652.34 = 332.07 : x
  2. Step 2: Convert to fraction form
    1,101.57/1,652.34 = 332.07/x
  3. Step 3: Cross multiply
    1,101.57x = 1,652.34 × 332.07
  4. Step 4: Simplify right side
    1,101.57x = 548,692.54
  5. Step 5: Solve for x
    x = 548,692.54/1,101.57
  6. Step 6: Final answer
    x = 498.10

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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.