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Finding the Fourth Proportional to 487,055.28, 730,655.54 and 150,067.74

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Solution

The fourth proportional to 487,055.28, 730,655.54 and 150,067.74 is: 225,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,055.28 : 730,655.54 = 150,067.74 : x
  2. Step 2: Convert to fraction form
    487,055.28/730,655.54 = 150,067.74/x
  3. Step 3: Cross multiply
    487,055.28x = 730,655.54 × 150,067.74
  4. Step 4: Simplify right side
    487,055.28x = 109,647,824,855.94
  5. Step 5: Solve for x
    x = 109,647,824,855.94/487,055.28
  6. Step 6: Final answer
    x = 225,123.98

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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.