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Finding the Fourth Proportional to 304,131.60, 456,154.20 and 93,790.80

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Solution

The fourth proportional to 304,131.60, 456,154.20 and 93,790.80 is: 140,672.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,131.60 : 456,154.20 = 93,790.80 : x
  2. Step 2: Convert to fraction form
    304,131.60/456,154.20 = 93,790.80/x
  3. Step 3: Cross multiply
    304,131.60x = 456,154.20 × 93,790.80
  4. Step 4: Simplify right side
    304,131.60x = 42,783,067,341.36
  5. Step 5: Solve for x
    x = 42,783,067,341.36/304,131.60
  6. Step 6: Final answer
    x = 140,672.88

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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.