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Finding the Fourth Proportional to 266,549.60, 398,609.84 and 199,127.84

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Solution

The fourth proportional to 266,549.60, 398,609.84 and 199,127.84 is: 297,784.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,549.60 : 398,609.84 = 199,127.84 : x
  2. Step 2: Convert to fraction form
    266,549.60/398,609.84 = 199,127.84/x
  3. Step 3: Cross multiply
    266,549.60x = 398,609.84 × 199,127.84
  4. Step 4: Simplify right side
    266,549.60x = 79,374,316,441.95
  5. Step 5: Solve for x
    x = 79,374,316,441.95/266,549.60
  6. Step 6: Final answer
    x = 297,784.41

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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.