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Finding the Fourth Proportional to 425,734.68, 587,518.56 and 234,754.92

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Solution

The fourth proportional to 425,734.68, 587,518.56 and 234,754.92 is: 323,964.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,734.68 : 587,518.56 = 234,754.92 : x
  2. Step 2: Convert to fraction form
    425,734.68/587,518.56 = 234,754.92/x
  3. Step 3: Cross multiply
    425,734.68x = 587,518.56 × 234,754.92
  4. Step 4: Simplify right side
    425,734.68x = 137,922,872,551.32
  5. Step 5: Solve for x
    x = 137,922,872,551.32/425,734.68
  6. Step 6: Final answer
    x = 323,964.38

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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.