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Finding the Fourth Proportional to 424,867.66, 586,324.83 and 231,280.94

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Solution

The fourth proportional to 424,867.66, 586,324.83 and 231,280.94 is: 319,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,867.66 : 586,324.83 = 231,280.94 : x
  2. Step 2: Convert to fraction form
    424,867.66/586,324.83 = 231,280.94/x
  3. Step 3: Cross multiply
    424,867.66x = 586,324.83 × 231,280.94
  4. Step 4: Simplify right side
    424,867.66x = 135,605,754,896.12
  5. Step 5: Solve for x
    x = 135,605,754,896.12/424,867.66
  6. Step 6: Final answer
    x = 319,171.75

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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.