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Finding the Fourth Proportional to 266,076.26, 398,902.46 and 153,628.92

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Solution

The fourth proportional to 266,076.26, 398,902.46 and 153,628.92 is: 230,321.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,076.26 : 398,902.46 = 153,628.92 : x
  2. Step 2: Convert to fraction form
    266,076.26/398,902.46 = 153,628.92/x
  3. Step 3: Cross multiply
    266,076.26x = 398,902.46 × 153,628.92
  4. Step 4: Simplify right side
    266,076.26x = 61,282,954,499.22
  5. Step 5: Solve for x
    x = 61,282,954,499.22/266,076.26
  6. Step 6: Final answer
    x = 230,321.02

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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.