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Finding the Fourth Proportional to 271,741.20, 408,049.20 and 183,386.40

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Solution

The fourth proportional to 271,741.20, 408,049.20 and 183,386.40 is: 275,374.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,741.20 : 408,049.20 = 183,386.40 : x
  2. Step 2: Convert to fraction form
    271,741.20/408,049.20 = 183,386.40/x
  3. Step 3: Cross multiply
    271,741.20x = 408,049.20 × 183,386.40
  4. Step 4: Simplify right side
    271,741.20x = 74,830,673,810.88
  5. Step 5: Solve for x
    x = 74,830,673,810.88/271,741.20
  6. Step 6: Final answer
    x = 275,374.78

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1.5x scale

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.