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Finding the Fourth Proportional to 270,350.17, 373,079.34 and 149,488.80

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Solution

The fourth proportional to 270,350.17, 373,079.34 and 149,488.80 is: 206,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,350.17 : 373,079.34 = 149,488.80 : x
  2. Step 2: Convert to fraction form
    270,350.17/373,079.34 = 149,488.80/x
  3. Step 3: Cross multiply
    270,350.17x = 373,079.34 × 149,488.80
  4. Step 4: Simplify right side
    270,350.17x = 55,771,182,841.39
  5. Step 5: Solve for x
    x = 55,771,182,841.39/270,350.17
  6. Step 6: Final answer
    x = 206,292.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.