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Finding the Fourth Proportional to 487,377.68, 731,076.54 and 150,418.54

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Solution

The fourth proportional to 487,377.68, 731,076.54 and 150,418.54 is: 225,630.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,377.68 : 731,076.54 = 150,418.54 : x
  2. Step 2: Convert to fraction form
    487,377.68/731,076.54 = 150,418.54/x
  3. Step 3: Cross multiply
    487,377.68x = 731,076.54 × 150,418.54
  4. Step 4: Simplify right side
    487,377.68x = 109,967,461,367.58
  5. Step 5: Solve for x
    x = 109,967,461,367.58/487,377.68
  6. Step 6: Final answer
    x = 225,630.89

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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.