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Finding the Fourth Proportional to 266,034.80, 399,071.40 and 160,626.80

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Solution

The fourth proportional to 266,034.80, 399,071.40 and 160,626.80 is: 240,951.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,034.80 : 399,071.40 = 160,626.80 : x
  2. Step 2: Convert to fraction form
    266,034.80/399,071.40 = 160,626.80/x
  3. Step 3: Cross multiply
    266,034.80x = 399,071.40 × 160,626.80
  4. Step 4: Simplify right side
    266,034.80x = 64,101,561,953.52
  5. Step 5: Solve for x
    x = 64,101,561,953.52/266,034.80
  6. Step 6: Final answer
    x = 240,951.79

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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.