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Finding the Fourth Proportional to 363,473.90, 501,608.76 and 202,318.70

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Solution

The fourth proportional to 363,473.90, 501,608.76 and 202,318.70 is: 279,208.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,473.90 : 501,608.76 = 202,318.70 : x
  2. Step 2: Convert to fraction form
    363,473.90/501,608.76 = 202,318.70/x
  3. Step 3: Cross multiply
    363,473.90x = 501,608.76 × 202,318.70
  4. Step 4: Simplify right side
    363,473.90x = 101,484,832,231.81
  5. Step 5: Solve for x
    x = 101,484,832,231.81/363,473.90
  6. Step 6: Final answer
    x = 279,208.03

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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.