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Finding the Fourth Proportional to 324,877.92, 487,069.92 and 224,772

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Solution

The fourth proportional to 324,877.92, 487,069.92 and 224,772 is: 336,987.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,877.92 : 487,069.92 = 224,772 : x
  2. Step 2: Convert to fraction form
    324,877.92/487,069.92 = 224,772/x
  3. Step 3: Cross multiply
    324,877.92x = 487,069.92 × 224,772
  4. Step 4: Simplify right side
    324,877.92x = 109,479,680,058.24
  5. Step 5: Solve for x
    x = 109,479,680,058.24/324,877.92
  6. Step 6: Final answer
    x = 336,987.14

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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.