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Finding the Fourth Proportional to 332,651.11, 498,385.54 and 190,490.71

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Solution

The fourth proportional to 332,651.11, 498,385.54 and 190,490.71 is: 285,397.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,651.11 : 498,385.54 = 190,490.71 : x
  2. Step 2: Convert to fraction form
    332,651.11/498,385.54 = 190,490.71/x
  3. Step 3: Cross multiply
    332,651.11x = 498,385.54 × 190,490.71
  4. Step 4: Simplify right side
    332,651.11x = 94,937,815,368.33
  5. Step 5: Solve for x
    x = 94,937,815,368.33/332,651.11
  6. Step 6: Final answer
    x = 285,397.56

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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.