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Finding the Fourth Proportional to 440,000.73, 607,114.31 and 267,872.49

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Solution

The fourth proportional to 440,000.73, 607,114.31 and 267,872.49 is: 369,611.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,000.73 : 607,114.31 = 267,872.49 : x
  2. Step 2: Convert to fraction form
    440,000.73/607,114.31 = 267,872.49/x
  3. Step 3: Cross multiply
    440,000.73x = 607,114.31 × 267,872.49
  4. Step 4: Simplify right side
    440,000.73x = 162,629,220,594.97
  5. Step 5: Solve for x
    x = 162,629,220,594.97/440,000.73
  6. Step 6: Final answer
    x = 369,611.25

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.