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Finding the Fourth Proportional to 1,652.52, 2,479.16 and 498.28

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Solution

The fourth proportional to 1,652.52, 2,479.16 and 498.28 is: 747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.52 : 2,479.16 = 498.28 : x
  2. Step 2: Convert to fraction form
    1,652.52/2,479.16 = 498.28/x
  3. Step 3: Cross multiply
    1,652.52x = 2,479.16 × 498.28
  4. Step 4: Simplify right side
    1,652.52x = 1,235,315.84
  5. Step 5: Solve for x
    x = 1,235,315.84/1,652.52
  6. Step 6: Final answer
    x = 747.53

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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.