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Finding the Fourth Proportional to 401,483.86, 602,299.60 and 327,262.55

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Solution

The fourth proportional to 401,483.86, 602,299.60 and 327,262.55 is: 490,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,483.86 : 602,299.60 = 327,262.55 : x
  2. Step 2: Convert to fraction form
    401,483.86/602,299.60 = 327,262.55/x
  3. Step 3: Cross multiply
    401,483.86x = 602,299.60 × 327,262.55
  4. Step 4: Simplify right side
    401,483.86x = 197,110,099,130.33
  5. Step 5: Solve for x
    x = 197,110,099,130.33/401,483.86
  6. Step 6: Final answer
    x = 490,953.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.