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Finding the Fourth Proportional to 410,801.80, 616,202.70 and 144,560.20

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Solution

The fourth proportional to 410,801.80, 616,202.70 and 144,560.20 is: 216,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,801.80 : 616,202.70 = 144,560.20 : x
  2. Step 2: Convert to fraction form
    410,801.80/616,202.70 = 144,560.20/x
  3. Step 3: Cross multiply
    410,801.80x = 616,202.70 × 144,560.20
  4. Step 4: Simplify right side
    410,801.80x = 89,078,385,552.54
  5. Step 5: Solve for x
    x = 89,078,385,552.54/410,801.80
  6. Step 6: Final answer
    x = 216,840.30

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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.