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Finding the Fourth Proportional to 441,708.72, 609,572.88 and 248,150.64

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Solution

The fourth proportional to 441,708.72, 609,572.88 and 248,150.64 is: 342,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,708.72 : 609,572.88 = 248,150.64 : x
  2. Step 2: Convert to fraction form
    441,708.72/609,572.88 = 248,150.64/x
  3. Step 3: Cross multiply
    441,708.72x = 609,572.88 × 248,150.64
  4. Step 4: Simplify right side
    441,708.72x = 151,265,900,298.64
  5. Step 5: Solve for x
    x = 151,265,900,298.64/441,708.72
  6. Step 6: Final answer
    x = 342,456.22

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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.