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Finding the Fourth Proportional to 268,702.76, 403,105.98 and 150,507.56

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Solution

The fourth proportional to 268,702.76, 403,105.98 and 150,507.56 is: 225,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,702.76 : 403,105.98 = 150,507.56 : x
  2. Step 2: Convert to fraction form
    268,702.76/403,105.98 = 150,507.56/x
  3. Step 3: Cross multiply
    268,702.76x = 403,105.98 × 150,507.56
  4. Step 4: Simplify right side
    268,702.76x = 60,670,497,471.21
  5. Step 5: Solve for x
    x = 60,670,497,471.21/268,702.76
  6. Step 6: Final answer
    x = 225,790.38

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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.