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Finding the Fourth Proportional to 275,877.36, 413,817.39 and 83,753.46

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Solution

The fourth proportional to 275,877.36, 413,817.39 and 83,753.46 is: 125,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,877.36 : 413,817.39 = 83,753.46 : x
  2. Step 2: Convert to fraction form
    275,877.36/413,817.39 = 83,753.46/x
  3. Step 3: Cross multiply
    275,877.36x = 413,817.39 × 83,753.46
  4. Step 4: Simplify right side
    275,877.36x = 34,658,638,220.67
  5. Step 5: Solve for x
    x = 34,658,638,220.67/275,877.36
  6. Step 6: Final answer
    x = 125,630.60

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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.