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Finding the Fourth Proportional to 622,458.40, 932,132.40 and 498,042.40

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Solution

The fourth proportional to 622,458.40, 932,132.40 and 498,042.40 is: 745,819.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,458.40 : 932,132.40 = 498,042.40 : x
  2. Step 2: Convert to fraction form
    622,458.40/932,132.40 = 498,042.40/x
  3. Step 3: Cross multiply
    622,458.40x = 932,132.40 × 498,042.40
  4. Step 4: Simplify right side
    622,458.40x = 464,241,457,613.76
  5. Step 5: Solve for x
    x = 464,241,457,613.76/622,458.40
  6. Step 6: Final answer
    x = 745,819.25

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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.