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Finding the Fourth Proportional to 275,728.30, 413,592.45 and 247,734.70

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Solution

The fourth proportional to 275,728.30, 413,592.45 and 247,734.70 is: 371,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,728.30 : 413,592.45 = 247,734.70 : x
  2. Step 2: Convert to fraction form
    275,728.30/413,592.45 = 247,734.70/x
  3. Step 3: Cross multiply
    275,728.30x = 413,592.45 × 247,734.70
  4. Step 4: Simplify right side
    275,728.30x = 102,461,201,523.02
  5. Step 5: Solve for x
    x = 102,461,201,523.02/275,728.30
  6. Step 6: Final answer
    x = 371,602.05

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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.