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Finding the Fourth Proportional to 363,215.62, 501,253.80 and 302,684.98

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Solution

The fourth proportional to 363,215.62, 501,253.80 and 302,684.98 is: 417,718.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,215.62 : 501,253.80 = 302,684.98 : x
  2. Step 2: Convert to fraction form
    363,215.62/501,253.80 = 302,684.98/x
  3. Step 3: Cross multiply
    363,215.62x = 501,253.80 × 302,684.98
  4. Step 4: Simplify right side
    363,215.62x = 151,721,996,427.92
  5. Step 5: Solve for x
    x = 151,721,996,427.92/363,215.62
  6. Step 6: Final answer
    x = 417,718.81

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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.