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Finding the Fourth Proportional to 304,552.14, 420,324.92 and 177,268.74

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Solution

The fourth proportional to 304,552.14, 420,324.92 and 177,268.74 is: 244,655.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,552.14 : 420,324.92 = 177,268.74 : x
  2. Step 2: Convert to fraction form
    304,552.14/420,324.92 = 177,268.74/x
  3. Step 3: Cross multiply
    304,552.14x = 420,324.92 × 177,268.74
  4. Step 4: Simplify right side
    304,552.14x = 74,510,468,959.00
  5. Step 5: Solve for x
    x = 74,510,468,959.00/304,552.14
  6. Step 6: Final answer
    x = 244,655.87

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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.