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Finding the Fourth Proportional to 266,033.70, 398,532.15 and 160,539.30

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Solution

The fourth proportional to 266,033.70, 398,532.15 and 160,539.30 is: 240,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,033.70 : 398,532.15 = 160,539.30 : x
  2. Step 2: Convert to fraction form
    266,033.70/398,532.15 = 160,539.30/x
  3. Step 3: Cross multiply
    266,033.70x = 398,532.15 × 160,539.30
  4. Step 4: Simplify right side
    266,033.70x = 63,980,072,388.50
  5. Step 5: Solve for x
    x = 63,980,072,388.50/266,033.70
  6. Step 6: Final answer
    x = 240,496.12

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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.