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Finding the Fourth Proportional to 266,043.20, 399,064.80 and 244,270.40

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Solution

The fourth proportional to 266,043.20, 399,064.80 and 244,270.40 is: 366,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,043.20 : 399,064.80 = 244,270.40 : x
  2. Step 2: Convert to fraction form
    266,043.20/399,064.80 = 244,270.40/x
  3. Step 3: Cross multiply
    266,043.20x = 399,064.80 × 244,270.40
  4. Step 4: Simplify right side
    266,043.20x = 97,479,718,321.92
  5. Step 5: Solve for x
    x = 97,479,718,321.92/266,043.20
  6. Step 6: Final answer
    x = 366,405.60

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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.