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Finding the Fourth Proportional to 363,053.72, 500,998.67 and 199,699.86

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Solution

The fourth proportional to 363,053.72, 500,998.67 and 199,699.86 is: 275,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,053.72 : 500,998.67 = 199,699.86 : x
  2. Step 2: Convert to fraction form
    363,053.72/500,998.67 = 199,699.86/x
  3. Step 3: Cross multiply
    363,053.72x = 500,998.67 × 199,699.86
  4. Step 4: Simplify right side
    363,053.72x = 100,049,364,259.19
  5. Step 5: Solve for x
    x = 100,049,364,259.19/363,053.72
  6. Step 6: Final answer
    x = 275,577.30

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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.