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Finding the Fourth Proportional to 487,414.55, 730,850.27 and 150,359.58

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Solution

The fourth proportional to 487,414.55, 730,850.27 and 150,359.58 is: 225,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,414.55 : 730,850.27 = 150,359.58 : x
  2. Step 2: Convert to fraction form
    487,414.55/730,850.27 = 150,359.58/x
  3. Step 3: Cross multiply
    487,414.55x = 730,850.27 × 150,359.58
  4. Step 4: Simplify right side
    487,414.55x = 109,890,338,888.29
  5. Step 5: Solve for x
    x = 109,890,338,888.29/487,414.55
  6. Step 6: Final answer
    x = 225,455.60

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1.5x scale

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.