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Finding the Fourth Proportional to 360,919.80, 541,379.70 and 183,772.80

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Solution

The fourth proportional to 360,919.80, 541,379.70 and 183,772.80 is: 275,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,919.80 : 541,379.70 = 183,772.80 : x
  2. Step 2: Convert to fraction form
    360,919.80/541,379.70 = 183,772.80/x
  3. Step 3: Cross multiply
    360,919.80x = 541,379.70 × 183,772.80
  4. Step 4: Simplify right side
    360,919.80x = 99,490,863,332.16
  5. Step 5: Solve for x
    x = 99,490,863,332.16/360,919.80
  6. Step 6: Final answer
    x = 275,659.20

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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.