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Finding the Fourth Proportional to 461,240.48, 636,524.70 and 270,261.92

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Solution

The fourth proportional to 461,240.48, 636,524.70 and 270,261.92 is: 372,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,240.48 : 636,524.70 = 270,261.92 : x
  2. Step 2: Convert to fraction form
    461,240.48/636,524.70 = 270,261.92/x
  3. Step 3: Cross multiply
    461,240.48x = 636,524.70 × 270,261.92
  4. Step 4: Simplify right side
    461,240.48x = 172,028,388,127.25
  5. Step 5: Solve for x
    x = 172,028,388,127.25/461,240.48
  6. Step 6: Final answer
    x = 372,968.97

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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.