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Finding the Fourth Proportional to 266,126.40, 399,189.60 and 182,145.60

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Solution

The fourth proportional to 266,126.40, 399,189.60 and 182,145.60 is: 273,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,126.40 : 399,189.60 = 182,145.60 : x
  2. Step 2: Convert to fraction form
    266,126.40/399,189.60 = 182,145.60/x
  3. Step 3: Cross multiply
    266,126.40x = 399,189.60 × 182,145.60
  4. Step 4: Simplify right side
    266,126.40x = 72,710,629,205.76
  5. Step 5: Solve for x
    x = 72,710,629,205.76/266,126.40
  6. Step 6: Final answer
    x = 273,218.40

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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.