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Finding the Fourth Proportional to 360,683, 540,672.90 and 150,381.08

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Solution

The fourth proportional to 360,683, 540,672.90 and 150,381.08 is: 225,425.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,683 : 540,672.90 = 150,381.08 : x
  2. Step 2: Convert to fraction form
    360,683/540,672.90 = 150,381.08/x
  3. Step 3: Cross multiply
    360,683x = 540,672.90 × 150,381.08
  4. Step 4: Simplify right side
    360,683x = 81,306,974,628.73
  5. Step 5: Solve for x
    x = 81,306,974,628.73/360,683
  6. Step 6: Final answer
    x = 225,425.03

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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.