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Finding the Fourth Proportional to 366,869.20, 550,300.56 and 117,551.20

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Solution

The fourth proportional to 366,869.20, 550,300.56 and 117,551.20 is: 176,325.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,869.20 : 550,300.56 = 117,551.20 : x
  2. Step 2: Convert to fraction form
    366,869.20/550,300.56 = 117,551.20/x
  3. Step 3: Cross multiply
    366,869.20x = 550,300.56 × 117,551.20
  4. Step 4: Simplify right side
    366,869.20x = 64,688,491,188.67
  5. Step 5: Solve for x
    x = 64,688,491,188.67/366,869.20
  6. Step 6: Final answer
    x = 176,325.76

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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.