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Finding the Fourth Proportional to 362,869.80, 544,175.10 and 126,220.20

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Solution

The fourth proportional to 362,869.80, 544,175.10 and 126,220.20 is: 189,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,869.80 : 544,175.10 = 126,220.20 : x
  2. Step 2: Convert to fraction form
    362,869.80/544,175.10 = 126,220.20/x
  3. Step 3: Cross multiply
    362,869.80x = 544,175.10 × 126,220.20
  4. Step 4: Simplify right side
    362,869.80x = 68,685,889,957.02
  5. Step 5: Solve for x
    x = 68,685,889,957.02/362,869.80
  6. Step 6: Final answer
    x = 189,285.22

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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.