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Finding the Fourth Proportional to 304,209.60, 418,944.48 and 297,696.96

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Solution

The fourth proportional to 304,209.60, 418,944.48 and 297,696.96 is: 409,975.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,209.60 : 418,944.48 = 297,696.96 : x
  2. Step 2: Convert to fraction form
    304,209.60/418,944.48 = 297,696.96/x
  3. Step 3: Cross multiply
    304,209.60x = 418,944.48 × 297,696.96
  4. Step 4: Simplify right side
    304,209.60x = 124,718,498,104.78
  5. Step 5: Solve for x
    x = 124,718,498,104.78/304,209.60
  6. Step 6: Final answer
    x = 409,975.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.