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Finding the Fourth Proportional to 439,376.48, 606,359.76 and 248,397.92

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Solution

The fourth proportional to 439,376.48, 606,359.76 and 248,397.92 is: 342,800.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,376.48 : 606,359.76 = 248,397.92 : x
  2. Step 2: Convert to fraction form
    439,376.48/606,359.76 = 248,397.92/x
  3. Step 3: Cross multiply
    439,376.48x = 606,359.76 × 248,397.92
  4. Step 4: Simplify right side
    439,376.48x = 150,618,503,155.70
  5. Step 5: Solve for x
    x = 150,618,503,155.70/439,376.48
  6. Step 6: Final answer
    x = 342,800.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.