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Finding the Fourth Proportional to 561,258.92, 841,363.50 and 206,177.60

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Solution

The fourth proportional to 561,258.92, 841,363.50 and 206,177.60 is: 309,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,258.92 : 841,363.50 = 206,177.60 : x
  2. Step 2: Convert to fraction form
    561,258.92/841,363.50 = 206,177.60/x
  3. Step 3: Cross multiply
    561,258.92x = 841,363.50 × 206,177.60
  4. Step 4: Simplify right side
    561,258.92x = 173,470,310,034.18
  5. Step 5: Solve for x
    x = 173,470,310,034.18/561,258.92
  6. Step 6: Final answer
    x = 309,073.59

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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.