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Finding the Fourth Proportional to 561,053.39, 842,104.97 and 277,064.61

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Solution

The fourth proportional to 561,053.39, 842,104.97 and 277,064.61 is: 415,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,053.39 : 842,104.97 = 277,064.61 : x
  2. Step 2: Convert to fraction form
    561,053.39/842,104.97 = 277,064.61/x
  3. Step 3: Cross multiply
    561,053.39x = 842,104.97 × 277,064.61
  4. Step 4: Simplify right side
    561,053.39x = 233,317,483,706.79
  5. Step 5: Solve for x
    x = 233,317,483,706.79/561,053.39
  6. Step 6: Final answer
    x = 415,856.12

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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.