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Finding the Fourth Proportional to 275,700.40, 413,550.60 and 98,407.60

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Solution

The fourth proportional to 275,700.40, 413,550.60 and 98,407.60 is: 147,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,700.40 : 413,550.60 = 98,407.60 : x
  2. Step 2: Convert to fraction form
    275,700.40/413,550.60 = 98,407.60/x
  3. Step 3: Cross multiply
    275,700.40x = 413,550.60 × 98,407.60
  4. Step 4: Simplify right side
    275,700.40x = 40,696,522,024.56
  5. Step 5: Solve for x
    x = 40,696,522,024.56/275,700.40
  6. Step 6: Final answer
    x = 147,611.40

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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.