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Finding the Fourth Proportional to 425,440.81, 587,120.61 and 234,466.50

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Solution

The fourth proportional to 425,440.81, 587,120.61 and 234,466.50 is: 323,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,440.81 : 587,120.61 = 234,466.50 : x
  2. Step 2: Convert to fraction form
    425,440.81/587,120.61 = 234,466.50/x
  3. Step 3: Cross multiply
    425,440.81x = 587,120.61 × 234,466.50
  4. Step 4: Simplify right side
    425,440.81x = 137,660,114,504.57
  5. Step 5: Solve for x
    x = 137,660,114,504.57/425,440.81
  6. Step 6: Final answer
    x = 323,570.54

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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.