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Finding the Fourth Proportional to 332.50, 498.64 and 101.38

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Solution

The fourth proportional to 332.50, 498.64 and 101.38 is: 152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.50 : 498.64 = 101.38 : x
  2. Step 2: Convert to fraction form
    332.50/498.64 = 101.38/x
  3. Step 3: Cross multiply
    332.50x = 498.64 × 101.38
  4. Step 4: Simplify right side
    332.50x = 50,552.12
  5. Step 5: Solve for x
    x = 50,552.12/332.50
  6. Step 6: Final answer
    x = 152.04

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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.