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Finding the Fourth Proportional to 444,957.88, 667,381.18 and 145,413.40

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Solution

The fourth proportional to 444,957.88, 667,381.18 and 145,413.40 is: 218,101.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,957.88 : 667,381.18 = 145,413.40 : x
  2. Step 2: Convert to fraction form
    444,957.88/667,381.18 = 145,413.40/x
  3. Step 3: Cross multiply
    444,957.88x = 667,381.18 × 145,413.40
  4. Step 4: Simplify right side
    444,957.88x = 97,046,166,479.81
  5. Step 5: Solve for x
    x = 97,046,166,479.81/444,957.88
  6. Step 6: Final answer
    x = 218,101.92

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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.