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Finding the Fourth Proportional to 444,225.66, 666,337.97 and 144,705.75

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Solution

The fourth proportional to 444,225.66, 666,337.97 and 144,705.75 is: 217,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,225.66 : 666,337.97 = 144,705.75 : x
  2. Step 2: Convert to fraction form
    444,225.66/666,337.97 = 144,705.75/x
  3. Step 3: Cross multiply
    444,225.66x = 666,337.97 × 144,705.75
  4. Step 4: Simplify right side
    444,225.66x = 96,422,934,978.80
  5. Step 5: Solve for x
    x = 96,422,934,978.80/444,225.66
  6. Step 6: Final answer
    x = 217,058.45

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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.