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Finding the Fourth Proportional to 567,863.28, 783,706.32 and 424,374.48

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Solution

The fourth proportional to 567,863.28, 783,706.32 and 424,374.48 is: 585,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,863.28 : 783,706.32 = 424,374.48 : x
  2. Step 2: Convert to fraction form
    567,863.28/783,706.32 = 424,374.48/x
  3. Step 3: Cross multiply
    567,863.28x = 783,706.32 × 424,374.48
  4. Step 4: Simplify right side
    567,863.28x = 332,584,962,022.71
  5. Step 5: Solve for x
    x = 332,584,962,022.71/567,863.28
  6. Step 6: Final answer
    x = 585,677.88

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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.