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Finding the Fourth Proportional to 362,808.56, 500,663.04 and 199,463.87

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Solution

The fourth proportional to 362,808.56, 500,663.04 and 199,463.87 is: 275,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,808.56 : 500,663.04 = 199,463.87 : x
  2. Step 2: Convert to fraction form
    362,808.56/500,663.04 = 199,463.87/x
  3. Step 3: Cross multiply
    362,808.56x = 500,663.04 × 199,463.87
  4. Step 4: Simplify right side
    362,808.56x = 99,864,185,021.05
  5. Step 5: Solve for x
    x = 99,864,185,021.05/362,808.56
  6. Step 6: Final answer
    x = 275,253.12

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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.