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Finding the Fourth Proportional to 304,574.20, 456,861.30 and 82,958.20

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Solution

The fourth proportional to 304,574.20, 456,861.30 and 82,958.20 is: 124,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,574.20 : 456,861.30 = 82,958.20 : x
  2. Step 2: Convert to fraction form
    304,574.20/456,861.30 = 82,958.20/x
  3. Step 3: Cross multiply
    304,574.20x = 456,861.30 × 82,958.20
  4. Step 4: Simplify right side
    304,574.20x = 37,900,391,097.66
  5. Step 5: Solve for x
    x = 37,900,391,097.66/304,574.20
  6. Step 6: Final answer
    x = 124,437.30

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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.