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Finding the Fourth Proportional to 375,999.36, 564,001.92 and 126,677.76

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Solution

The fourth proportional to 375,999.36, 564,001.92 and 126,677.76 is: 190,017.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,999.36 : 564,001.92 = 126,677.76 : x
  2. Step 2: Convert to fraction form
    375,999.36/564,001.92 = 126,677.76/x
  3. Step 3: Cross multiply
    375,999.36x = 564,001.92 × 126,677.76
  4. Step 4: Simplify right side
    375,999.36x = 71,446,499,861.30
  5. Step 5: Solve for x
    x = 71,446,499,861.30/375,999.36
  6. Step 6: Final answer
    x = 190,017.61

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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.