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Finding the Fourth Proportional to 315,998.10, 473,997.15 and 204,023.70

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Solution

The fourth proportional to 315,998.10, 473,997.15 and 204,023.70 is: 306,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,998.10 : 473,997.15 = 204,023.70 : x
  2. Step 2: Convert to fraction form
    315,998.10/473,997.15 = 204,023.70/x
  3. Step 3: Cross multiply
    315,998.10x = 473,997.15 × 204,023.70
  4. Step 4: Simplify right side
    315,998.10x = 96,706,652,332.46
  5. Step 5: Solve for x
    x = 96,706,652,332.46/315,998.10
  6. Step 6: Final answer
    x = 306,035.55

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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.