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Finding the Fourth Proportional to 487,245.54, 730,947.12 and 150,207.33

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Solution

The fourth proportional to 487,245.54, 730,947.12 and 150,207.33 is: 225,335.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,245.54 : 730,947.12 = 150,207.33 : x
  2. Step 2: Convert to fraction form
    487,245.54/730,947.12 = 150,207.33/x
  3. Step 3: Cross multiply
    487,245.54x = 730,947.12 × 150,207.33
  4. Step 4: Simplify right side
    487,245.54x = 109,793,615,266.39
  5. Step 5: Solve for x
    x = 109,793,615,266.39/487,245.54
  6. Step 6: Final answer
    x = 225,335.29

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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.