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Finding the Fourth Proportional to 363,002.79, 500,955.93 and 199,666.17

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Solution

The fourth proportional to 363,002.79, 500,955.93 and 199,666.17 is: 275,545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,002.79 : 500,955.93 = 199,666.17 : x
  2. Step 2: Convert to fraction form
    363,002.79/500,955.93 = 199,666.17/x
  3. Step 3: Cross multiply
    363,002.79x = 500,955.93 × 199,666.17
  4. Step 4: Simplify right side
    363,002.79x = 100,023,951,881.89
  5. Step 5: Solve for x
    x = 100,023,951,881.89/363,002.79
  6. Step 6: Final answer
    x = 275,545.96

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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.