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Finding the Fourth Proportional to 504,098.80, 756,148.20 and 149,081.20

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Solution

The fourth proportional to 504,098.80, 756,148.20 and 149,081.20 is: 223,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,098.80 : 756,148.20 = 149,081.20 : x
  2. Step 2: Convert to fraction form
    504,098.80/756,148.20 = 149,081.20/x
  3. Step 3: Cross multiply
    504,098.80x = 756,148.20 × 149,081.20
  4. Step 4: Simplify right side
    504,098.80x = 112,727,481,033.84
  5. Step 5: Solve for x
    x = 112,727,481,033.84/504,098.80
  6. Step 6: Final answer
    x = 223,621.80

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Double scale
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Similar ratio
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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.