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Finding the Fourth Proportional to 425,407.34, 587,074.70 and 234,433.10

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Solution

The fourth proportional to 425,407.34, 587,074.70 and 234,433.10 is: 323,524.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,407.34 : 587,074.70 = 234,433.10 : x
  2. Step 2: Convert to fraction form
    425,407.34/587,074.70 = 234,433.10/x
  3. Step 3: Cross multiply
    425,407.34x = 587,074.70 × 234,433.10
  4. Step 4: Simplify right side
    425,407.34x = 137,629,741,852.57
  5. Step 5: Solve for x
    x = 137,629,741,852.57/425,407.34
  6. Step 6: Final answer
    x = 323,524.61

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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.