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Finding the Fourth Proportional to 401,658.96, 602,562.24 and 327,429.60

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Solution

The fourth proportional to 401,658.96, 602,562.24 and 327,429.60 is: 491,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,658.96 : 602,562.24 = 327,429.60 : x
  2. Step 2: Convert to fraction form
    401,658.96/602,562.24 = 327,429.60/x
  3. Step 3: Cross multiply
    401,658.96x = 602,562.24 × 327,429.60
  4. Step 4: Simplify right side
    401,658.96x = 197,296,713,218.30
  5. Step 5: Solve for x
    x = 197,296,713,218.30/401,658.96
  6. Step 6: Final answer
    x = 491,204.56

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1.5x scale

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.