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Finding the Fourth Proportional to 367,028.70, 550,543.05 and 255,054.30

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Solution

The fourth proportional to 367,028.70, 550,543.05 and 255,054.30 is: 382,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,028.70 : 550,543.05 = 255,054.30 : x
  2. Step 2: Convert to fraction form
    367,028.70/550,543.05 = 255,054.30/x
  3. Step 3: Cross multiply
    367,028.70x = 550,543.05 × 255,054.30
  4. Step 4: Simplify right side
    367,028.70x = 140,418,372,237.62
  5. Step 5: Solve for x
    x = 140,418,372,237.62/367,028.70
  6. Step 6: Final answer
    x = 382,581.45

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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.