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Finding the Fourth Proportional to 218,614.35, 301,549.82 and 150,513.09

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Solution

The fourth proportional to 218,614.35, 301,549.82 and 150,513.09 is: 207,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,614.35 : 301,549.82 = 150,513.09 : x
  2. Step 2: Convert to fraction form
    218,614.35/301,549.82 = 150,513.09/x
  3. Step 3: Cross multiply
    218,614.35x = 301,549.82 × 150,513.09
  4. Step 4: Simplify right side
    218,614.35x = 45,387,194,444.58
  5. Step 5: Solve for x
    x = 45,387,194,444.58/218,614.35
  6. Step 6: Final answer
    x = 207,613.06

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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.