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Finding the Fourth Proportional to 487,402.41, 730,822.20 and 150,352.56

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Solution

The fourth proportional to 487,402.41, 730,822.20 and 150,352.56 is: 225,442.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,402.41 : 730,822.20 = 150,352.56 : x
  2. Step 2: Convert to fraction form
    487,402.41/730,822.20 = 150,352.56/x
  3. Step 3: Cross multiply
    487,402.41x = 730,822.20 × 150,352.56
  4. Step 4: Simplify right side
    487,402.41x = 109,880,988,674.83
  5. Step 5: Solve for x
    x = 109,880,988,674.83/487,402.41
  6. Step 6: Final answer
    x = 225,442.03

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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.