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Finding the Fourth Proportional to 440,174.37, 660,305.31 and 159,713.49

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Solution

The fourth proportional to 440,174.37, 660,305.31 and 159,713.49 is: 239,586.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,174.37 : 660,305.31 = 159,713.49 : x
  2. Step 2: Convert to fraction form
    440,174.37/660,305.31 = 159,713.49/x
  3. Step 3: Cross multiply
    440,174.37x = 660,305.31 × 159,713.49
  4. Step 4: Simplify right side
    440,174.37x = 105,459,665,525.63
  5. Step 5: Solve for x
    x = 105,459,665,525.63/440,174.37
  6. Step 6: Final answer
    x = 239,586.11

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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.