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Finding the Fourth Proportional to 418,085.62, 576,959.25 and 227,097.46

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Solution

The fourth proportional to 418,085.62, 576,959.25 and 227,097.46 is: 313,395.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,085.62 : 576,959.25 = 227,097.46 : x
  2. Step 2: Convert to fraction form
    418,085.62/576,959.25 = 227,097.46/x
  3. Step 3: Cross multiply
    418,085.62x = 576,959.25 × 227,097.46
  4. Step 4: Simplify right side
    418,085.62x = 131,025,980,198.51
  5. Step 5: Solve for x
    x = 131,025,980,198.51/418,085.62
  6. Step 6: Final answer
    x = 313,395.09

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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.