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Finding the Fourth Proportional to 425,564.81, 587,279.29 and 234,581.39

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Solution

The fourth proportional to 425,564.81, 587,279.29 and 234,581.39 is: 323,722.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,564.81 : 587,279.29 = 234,581.39 : x
  2. Step 2: Convert to fraction form
    425,564.81/587,279.29 = 234,581.39/x
  3. Step 3: Cross multiply
    425,564.81x = 587,279.29 × 234,581.39
  4. Step 4: Simplify right side
    425,564.81x = 137,764,792,166.41
  5. Step 5: Solve for x
    x = 137,764,792,166.41/425,564.81
  6. Step 6: Final answer
    x = 323,722.24

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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.