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Finding the Fourth Proportional to 304,818.40, 457,227.60 and 178,847.20

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Solution

The fourth proportional to 304,818.40, 457,227.60 and 178,847.20 is: 268,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,818.40 : 457,227.60 = 178,847.20 : x
  2. Step 2: Convert to fraction form
    304,818.40/457,227.60 = 178,847.20/x
  3. Step 3: Cross multiply
    304,818.40x = 457,227.60 × 178,847.20
  4. Step 4: Simplify right side
    304,818.40x = 81,773,876,022.72
  5. Step 5: Solve for x
    x = 81,773,876,022.72/304,818.40
  6. Step 6: Final answer
    x = 268,270.80

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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.