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Finding the Fourth Proportional to 487,376.88, 730,797.66 and 150,324

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Solution

The fourth proportional to 487,376.88, 730,797.66 and 150,324 is: 225,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,376.88 : 730,797.66 = 150,324 : x
  2. Step 2: Convert to fraction form
    487,376.88/730,797.66 = 150,324/x
  3. Step 3: Cross multiply
    487,376.88x = 730,797.66 × 150,324
  4. Step 4: Simplify right side
    487,376.88x = 109,856,427,441.84
  5. Step 5: Solve for x
    x = 109,856,427,441.84/487,376.88
  6. Step 6: Final answer
    x = 225,403.44

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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.