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Finding the Fourth Proportional to 360,618.70, 497,610.21 and 199,451.74

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Solution

The fourth proportional to 360,618.70, 497,610.21 and 199,451.74 is: 275,219.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,618.70 : 497,610.21 = 199,451.74 : x
  2. Step 2: Convert to fraction form
    360,618.70/497,610.21 = 199,451.74/x
  3. Step 3: Cross multiply
    360,618.70x = 497,610.21 × 199,451.74
  4. Step 4: Simplify right side
    360,618.70x = 99,249,222,226.27
  5. Step 5: Solve for x
    x = 99,249,222,226.27/360,618.70
  6. Step 6: Final answer
    x = 275,219.29

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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.