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Finding the Fourth Proportional to 444,607.74, 667,017.70 and 145,088.87

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Solution

The fourth proportional to 444,607.74, 667,017.70 and 145,088.87 is: 217,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,607.74 : 667,017.70 = 145,088.87 : x
  2. Step 2: Convert to fraction form
    444,607.74/667,017.70 = 145,088.87/x
  3. Step 3: Cross multiply
    444,607.74x = 667,017.70 × 145,088.87
  4. Step 4: Simplify right side
    444,607.74x = 96,776,847,109.28
  5. Step 5: Solve for x
    x = 96,776,847,109.28/444,607.74
  6. Step 6: Final answer
    x = 217,667.93

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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.