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Finding the Fourth Proportional to 367,053.70, 550,580.55 and 255,079.30

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Solution

The fourth proportional to 367,053.70, 550,580.55 and 255,079.30 is: 382,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,053.70 : 550,580.55 = 255,079.30 : x
  2. Step 2: Convert to fraction form
    367,053.70/550,580.55 = 255,079.30/x
  3. Step 3: Cross multiply
    367,053.70x = 550,580.55 × 255,079.30
  4. Step 4: Simplify right side
    367,053.70x = 140,441,701,287.62
  5. Step 5: Solve for x
    x = 140,441,701,287.62/367,053.70
  6. Step 6: Final answer
    x = 382,618.95

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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.