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Finding the Fourth Proportional to 352,490.73, 486,429.46 and 199,525.87

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Solution

The fourth proportional to 352,490.73, 486,429.46 and 199,525.87 is: 275,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,490.73 : 486,429.46 = 199,525.87 : x
  2. Step 2: Convert to fraction form
    352,490.73/486,429.46 = 199,525.87/x
  3. Step 3: Cross multiply
    352,490.73x = 486,429.46 × 199,525.87
  4. Step 4: Simplify right side
    352,490.73x = 97,055,261,200.13
  5. Step 5: Solve for x
    x = 97,055,261,200.13/352,490.73
  6. Step 6: Final answer
    x = 275,341.32

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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.