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Finding the Fourth Proportional to 266,471.64, 367,731.82 and 145,612.92

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Solution

The fourth proportional to 266,471.64, 367,731.82 and 145,612.92 is: 200,946.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,471.64 : 367,731.82 = 145,612.92 : x
  2. Step 2: Convert to fraction form
    266,471.64/367,731.82 = 145,612.92/x
  3. Step 3: Cross multiply
    266,471.64x = 367,731.82 × 145,612.92
  4. Step 4: Simplify right side
    266,471.64x = 53,546,504,087.11
  5. Step 5: Solve for x
    x = 53,546,504,087.11/266,471.64
  6. Step 6: Final answer
    x = 200,946.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.