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Finding the Fourth Proportional to 425,361.12, 587,024.55 and 234,374.46

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Solution

The fourth proportional to 425,361.12, 587,024.55 and 234,374.46 is: 323,451.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,361.12 : 587,024.55 = 234,374.46 : x
  2. Step 2: Convert to fraction form
    425,361.12/587,024.55 = 234,374.46/x
  3. Step 3: Cross multiply
    425,361.12x = 587,024.55 × 234,374.46
  4. Step 4: Simplify right side
    425,361.12x = 137,583,561,912.99
  5. Step 5: Solve for x
    x = 137,583,561,912.99/425,361.12
  6. Step 6: Final answer
    x = 323,451.19

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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.