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Finding the Fourth Proportional to 363,262.68, 501,318.72 and 302,731.92

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Solution

The fourth proportional to 363,262.68, 501,318.72 and 302,731.92 is: 417,783.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,262.68 : 501,318.72 = 302,731.92 : x
  2. Step 2: Convert to fraction form
    363,262.68/501,318.72 = 302,731.92/x
  3. Step 3: Cross multiply
    363,262.68x = 501,318.72 × 302,731.92
  4. Step 4: Simplify right side
    363,262.68x = 151,765,178,637.54
  5. Step 5: Solve for x
    x = 151,765,178,637.54/363,262.68
  6. Step 6: Final answer
    x = 417,783.57

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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.