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Finding the Fourth Proportional to 360,170.01, 497,021.27 and 199,021.73

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Solution

The fourth proportional to 360,170.01, 497,021.27 and 199,021.73 is: 274,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,170.01 : 497,021.27 = 199,021.73 : x
  2. Step 2: Convert to fraction form
    360,170.01/497,021.27 = 199,021.73/x
  3. Step 3: Cross multiply
    360,170.01x = 497,021.27 × 199,021.73
  4. Step 4: Simplify right side
    360,170.01x = 98,918,029,521.98
  5. Step 5: Solve for x
    x = 98,918,029,521.98/360,170.01
  6. Step 6: Final answer
    x = 274,642.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.