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Finding the Fourth Proportional to 424,863.36, 586,324.64 and 231,283.96

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Solution

The fourth proportional to 424,863.36, 586,324.64 and 231,283.96 is: 319,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,863.36 : 586,324.64 = 231,283.96 : x
  2. Step 2: Convert to fraction form
    424,863.36/586,324.64 = 231,283.96/x
  3. Step 3: Cross multiply
    424,863.36x = 586,324.64 × 231,283.96
  4. Step 4: Simplify right side
    424,863.36x = 135,607,483,118.96
  5. Step 5: Solve for x
    x = 135,607,483,118.96/424,863.36
  6. Step 6: Final answer
    x = 319,179.05

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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.