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Finding the Fourth Proportional to 274,260.80, 411,544.80 and 116,462.40

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Solution

The fourth proportional to 274,260.80, 411,544.80 and 116,462.40 is: 174,758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,260.80 : 411,544.80 = 116,462.40 : x
  2. Step 2: Convert to fraction form
    274,260.80/411,544.80 = 116,462.40/x
  3. Step 3: Cross multiply
    274,260.80x = 411,544.80 × 116,462.40
  4. Step 4: Simplify right side
    274,260.80x = 47,929,495,115.52
  5. Step 5: Solve for x
    x = 47,929,495,115.52/274,260.80
  6. Step 6: Final answer
    x = 174,758.82

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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.