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Finding the Fourth Proportional to 332.40, 498.33 and 124.10

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Solution

The fourth proportional to 332.40, 498.33 and 124.10 is: 186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.40 : 498.33 = 124.10 : x
  2. Step 2: Convert to fraction form
    332.40/498.33 = 124.10/x
  3. Step 3: Cross multiply
    332.40x = 498.33 × 124.10
  4. Step 4: Simplify right side
    332.40x = 61,842.75
  5. Step 5: Solve for x
    x = 61,842.75/332.40
  6. Step 6: Final answer
    x = 186.05

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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.