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Finding the Fourth Proportional to 543,248.80, 815,164.80 and 227,737.60

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Solution

The fourth proportional to 543,248.80, 815,164.80 and 227,737.60 is: 341,728.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,248.80 : 815,164.80 = 227,737.60 : x
  2. Step 2: Convert to fraction form
    543,248.80/815,164.80 = 227,737.60/x
  3. Step 3: Cross multiply
    543,248.80x = 815,164.80 × 227,737.60
  4. Step 4: Simplify right side
    543,248.80x = 185,643,675,156.48
  5. Step 5: Solve for x
    x = 185,643,675,156.48/543,248.80
  6. Step 6: Final answer
    x = 341,728.64

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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.