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Finding the Fourth Proportional to 352,441.98, 486,254.12 and 199,464.98

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Solution

The fourth proportional to 352,441.98, 486,254.12 and 199,464.98 is: 275,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,441.98 : 486,254.12 = 199,464.98 : x
  2. Step 2: Convert to fraction form
    352,441.98/486,254.12 = 199,464.98/x
  3. Step 3: Cross multiply
    352,441.98x = 486,254.12 × 199,464.98
  4. Step 4: Simplify right side
    352,441.98x = 96,990,668,320.72
  5. Step 5: Solve for x
    x = 96,990,668,320.72/352,441.98
  6. Step 6: Final answer
    x = 275,196.13

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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.