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Finding the Fourth Proportional to 544,517.20, 816,192.60 and 207,427.60

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Solution

The fourth proportional to 544,517.20, 816,192.60 and 207,427.60 is: 310,919.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,517.20 : 816,192.60 = 207,427.60 : x
  2. Step 2: Convert to fraction form
    544,517.20/816,192.60 = 207,427.60/x
  3. Step 3: Cross multiply
    544,517.20x = 816,192.60 × 207,427.60
  4. Step 4: Simplify right side
    544,517.20x = 169,300,872,155.76
  5. Step 5: Solve for x
    x = 169,300,872,155.76/544,517.20
  6. Step 6: Final answer
    x = 310,919.24

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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.