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Finding the Fourth Proportional to 499,193.56, 748,790.88 and 125,216.56

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Solution

The fourth proportional to 499,193.56, 748,790.88 and 125,216.56 is: 187,824.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,193.56 : 748,790.88 = 125,216.56 : x
  2. Step 2: Convert to fraction form
    499,193.56/748,790.88 = 125,216.56/x
  3. Step 3: Cross multiply
    499,193.56x = 748,790.88 × 125,216.56
  4. Step 4: Simplify right side
    499,193.56x = 93,761,018,152.97
  5. Step 5: Solve for x
    x = 93,761,018,152.97/499,193.56
  6. Step 6: Final answer
    x = 187,824.98

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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.