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Finding the Fourth Proportional to 266,097.20, 399,145.80 and 244,324.40

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Solution

The fourth proportional to 266,097.20, 399,145.80 and 244,324.40 is: 366,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,097.20 : 399,145.80 = 244,324.40 : x
  2. Step 2: Convert to fraction form
    266,097.20/399,145.80 = 244,324.40/x
  3. Step 3: Cross multiply
    266,097.20x = 399,145.80 × 244,324.40
  4. Step 4: Simplify right side
    266,097.20x = 97,521,058,097.52
  5. Step 5: Solve for x
    x = 97,521,058,097.52/266,097.20
  6. Step 6: Final answer
    x = 366,486.60

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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.