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Finding the Fourth Proportional to 266,957.88, 400,432.08 and 67,273.80

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Solution

The fourth proportional to 266,957.88, 400,432.08 and 67,273.80 is: 100,909.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,957.88 : 400,432.08 = 67,273.80 : x
  2. Step 2: Convert to fraction form
    266,957.88/400,432.08 = 67,273.80/x
  3. Step 3: Cross multiply
    266,957.88x = 400,432.08 × 67,273.80
  4. Step 4: Simplify right side
    266,957.88x = 26,938,587,663.50
  5. Step 5: Solve for x
    x = 26,938,587,663.50/266,957.88
  6. Step 6: Final answer
    x = 100,909.51

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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.