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Finding the Fourth Proportional to 561,331.20, 841,737.60 and 245,625.60

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Solution

The fourth proportional to 561,331.20, 841,737.60 and 245,625.60 is: 368,324.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,331.20 : 841,737.60 = 245,625.60 : x
  2. Step 2: Convert to fraction form
    561,331.20/841,737.60 = 245,625.60/x
  3. Step 3: Cross multiply
    561,331.20x = 841,737.60 × 245,625.60
  4. Step 4: Simplify right side
    561,331.20x = 206,752,303,042.56
  5. Step 5: Solve for x
    x = 206,752,303,042.56/561,331.20
  6. Step 6: Final answer
    x = 368,324.98

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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.