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Finding the Fourth Proportional to 425,406.84, 587,074.01 and 234,432.60

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Solution

The fourth proportional to 425,406.84, 587,074.01 and 234,432.60 is: 323,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,406.84 : 587,074.01 = 234,432.60 : x
  2. Step 2: Convert to fraction form
    425,406.84/587,074.01 = 234,432.60/x
  3. Step 3: Cross multiply
    425,406.84x = 587,074.01 × 234,432.60
  4. Step 4: Simplify right side
    425,406.84x = 137,629,285,384.56
  5. Step 5: Solve for x
    x = 137,629,285,384.56/425,406.84
  6. Step 6: Final answer
    x = 323,523.91

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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.