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Finding the Fourth Proportional to 266,027.70, 398,523.15 and 160,533.30

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Solution

The fourth proportional to 266,027.70, 398,523.15 and 160,533.30 is: 240,487.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,027.70 : 398,523.15 = 160,533.30 : x
  2. Step 2: Convert to fraction form
    266,027.70/398,523.15 = 160,533.30/x
  3. Step 3: Cross multiply
    266,027.70x = 398,523.15 × 160,533.30
  4. Step 4: Simplify right side
    266,027.70x = 63,976,236,395.90
  5. Step 5: Solve for x
    x = 63,976,236,395.90/266,027.70
  6. Step 6: Final answer
    x = 240,487.12

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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.