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Finding the Fourth Proportional to 427,282.47, 589,471.68 and 245,951.01

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Solution

The fourth proportional to 427,282.47, 589,471.68 and 245,951.01 is: 339,309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,282.47 : 589,471.68 = 245,951.01 : x
  2. Step 2: Convert to fraction form
    427,282.47/589,471.68 = 245,951.01/x
  3. Step 3: Cross multiply
    427,282.47x = 589,471.68 × 245,951.01
  4. Step 4: Simplify right side
    427,282.47x = 144,981,155,062.40
  5. Step 5: Solve for x
    x = 144,981,155,062.40/427,282.47
  6. Step 6: Final answer
    x = 339,309.86

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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.