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Finding the Fourth Proportional to 369,843.91, 554,781.69 and 145,253.04

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Solution

The fourth proportional to 369,843.91, 554,781.69 and 145,253.04 is: 217,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,843.91 : 554,781.69 = 145,253.04 : x
  2. Step 2: Convert to fraction form
    369,843.91/554,781.69 = 145,253.04/x
  3. Step 3: Cross multiply
    369,843.91x = 554,781.69 × 145,253.04
  4. Step 4: Simplify right side
    369,843.91x = 80,583,724,928.41
  5. Step 5: Solve for x
    x = 80,583,724,928.41/369,843.91
  6. Step 6: Final answer
    x = 217,885.77

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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.