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Finding the Fourth Proportional to 282,625.20, 423,484.20 and 149,331.60

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Solution

The fourth proportional to 282,625.20, 423,484.20 and 149,331.60 is: 223,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,625.20 : 423,484.20 = 149,331.60 : x
  2. Step 2: Convert to fraction form
    282,625.20/423,484.20 = 149,331.60/x
  3. Step 3: Cross multiply
    282,625.20x = 423,484.20 × 149,331.60
  4. Step 4: Simplify right side
    282,625.20x = 63,239,573,160.72
  5. Step 5: Solve for x
    x = 63,239,573,160.72/282,625.20
  6. Step 6: Final answer
    x = 223,757.73

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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.