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Finding the Fourth Proportional to 440,424, 660,668.96 and 124,906.32

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Solution

The fourth proportional to 440,424, 660,668.96 and 124,906.32 is: 187,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,424 : 660,668.96 = 124,906.32 : x
  2. Step 2: Convert to fraction form
    440,424/660,668.96 = 124,906.32/x
  3. Step 3: Cross multiply
    440,424x = 660,668.96 × 124,906.32
  4. Step 4: Simplify right side
    440,424x = 82,521,728,531.83
  5. Step 5: Solve for x
    x = 82,521,728,531.83/440,424
  6. Step 6: Final answer
    x = 187,368.83

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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.