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Finding the Fourth Proportional to 239,657.40, 359,486.10 and 134,462.70

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Solution

The fourth proportional to 239,657.40, 359,486.10 and 134,462.70 is: 201,694.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,657.40 : 359,486.10 = 134,462.70 : x
  2. Step 2: Convert to fraction form
    239,657.40/359,486.10 = 134,462.70/x
  3. Step 3: Cross multiply
    239,657.40x = 359,486.10 × 134,462.70
  4. Step 4: Simplify right side
    239,657.40x = 48,337,471,618.47
  5. Step 5: Solve for x
    x = 48,337,471,618.47/239,657.40
  6. Step 6: Final answer
    x = 201,694.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.