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Finding the Fourth Proportional to 1,101.76, 1,652.92 and 332.26

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Solution

The fourth proportional to 1,101.76, 1,652.92 and 332.26 is: 498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101.76 : 1,652.92 = 332.26 : x
  2. Step 2: Convert to fraction form
    1,101.76/1,652.92 = 332.26/x
  3. Step 3: Cross multiply
    1,101.76x = 1,652.92 × 332.26
  4. Step 4: Simplify right side
    1,101.76x = 549,199.20
  5. Step 5: Solve for x
    x = 549,199.20/1,101.76
  6. Step 6: Final answer
    x = 498.47

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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.