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Finding the Fourth Proportional to 298,127.12, 411,270.88 and 177,182.80

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Solution

The fourth proportional to 298,127.12, 411,270.88 and 177,182.80 is: 244,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,127.12 : 411,270.88 = 177,182.80 : x
  2. Step 2: Convert to fraction form
    298,127.12/411,270.88 = 177,182.80/x
  3. Step 3: Cross multiply
    298,127.12x = 411,270.88 × 177,182.80
  4. Step 4: Simplify right side
    298,127.12x = 72,870,126,076.86
  5. Step 5: Solve for x
    x = 72,870,126,076.86/298,127.12
  6. Step 6: Final answer
    x = 244,426.36

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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.