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Finding the Fourth Proportional to 274,404.31, 411,606.46 and 180,888.19

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Solution

The fourth proportional to 274,404.31, 411,606.46 and 180,888.19 is: 271,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,404.31 : 411,606.46 = 180,888.19 : x
  2. Step 2: Convert to fraction form
    274,404.31/411,606.46 = 180,888.19/x
  3. Step 3: Cross multiply
    274,404.31x = 411,606.46 × 180,888.19
  4. Step 4: Simplify right side
    274,404.31x = 74,454,746,738.80
  5. Step 5: Solve for x
    x = 74,454,746,738.80/274,404.31
  6. Step 6: Final answer
    x = 271,332.28

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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.