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Finding the Fourth Proportional to 425,155.08, 586,740.60 and 234,168.42

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Solution

The fourth proportional to 425,155.08, 586,740.60 and 234,168.42 is: 323,167.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,155.08 : 586,740.60 = 234,168.42 : x
  2. Step 2: Convert to fraction form
    425,155.08/586,740.60 = 234,168.42/x
  3. Step 3: Cross multiply
    425,155.08x = 586,740.60 × 234,168.42
  4. Step 4: Simplify right side
    425,155.08x = 137,396,119,251.85
  5. Step 5: Solve for x
    x = 137,396,119,251.85/425,155.08
  6. Step 6: Final answer
    x = 323,167.06

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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.