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Finding the Fourth Proportional to 204,856.70, 307,285.05 and 169,864.70

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Solution

The fourth proportional to 204,856.70, 307,285.05 and 169,864.70 is: 254,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,856.70 : 307,285.05 = 169,864.70 : x
  2. Step 2: Convert to fraction form
    204,856.70/307,285.05 = 169,864.70/x
  3. Step 3: Cross multiply
    204,856.70x = 307,285.05 × 169,864.70
  4. Step 4: Simplify right side
    204,856.70x = 52,196,882,832.74
  5. Step 5: Solve for x
    x = 52,196,882,832.74/204,856.70
  6. Step 6: Final answer
    x = 254,797.05

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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.