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Finding the Fourth Proportional to 424,833.57, 586,282.79 and 231,253.91

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Solution

The fourth proportional to 424,833.57, 586,282.79 and 231,253.91 is: 319,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,833.57 : 586,282.79 = 231,253.91 : x
  2. Step 2: Convert to fraction form
    424,833.57/586,282.79 = 231,253.91/x
  3. Step 3: Cross multiply
    424,833.57x = 586,282.79 × 231,253.91
  4. Step 4: Simplify right side
    424,833.57x = 135,580,183,465.53
  5. Step 5: Solve for x
    x = 135,580,183,465.53/424,833.57
  6. Step 6: Final answer
    x = 319,137.17

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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.