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Finding the Fourth Proportional to 293,569.20, 440,386.20 and 93,855.60

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Solution

The fourth proportional to 293,569.20, 440,386.20 and 93,855.60 is: 140,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,569.20 : 440,386.20 = 93,855.60 : x
  2. Step 2: Convert to fraction form
    293,569.20/440,386.20 = 93,855.60/x
  3. Step 3: Cross multiply
    293,569.20x = 440,386.20 × 93,855.60
  4. Step 4: Simplify right side
    293,569.20x = 41,332,711,032.72
  5. Step 5: Solve for x
    x = 41,332,711,032.72/293,569.20
  6. Step 6: Final answer
    x = 140,793.76

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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.