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Finding the Fourth Proportional to 363,185.91, 501,212.70 and 302,655.15

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Solution

The fourth proportional to 363,185.91, 501,212.70 and 302,655.15 is: 417,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,185.91 : 501,212.70 = 302,655.15 : x
  2. Step 2: Convert to fraction form
    363,185.91/501,212.70 = 302,655.15/x
  3. Step 3: Cross multiply
    363,185.91x = 501,212.70 × 302,655.15
  4. Step 4: Simplify right side
    363,185.91x = 151,694,604,900.41
  5. Step 5: Solve for x
    x = 151,694,604,900.41/363,185.91
  6. Step 6: Final answer
    x = 417,677.56

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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.