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Finding the Fourth Proportional to 426,165.72, 588,103.56 and 235,174.92

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Solution

The fourth proportional to 426,165.72, 588,103.56 and 235,174.92 is: 324,538.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,165.72 : 588,103.56 = 235,174.92 : x
  2. Step 2: Convert to fraction form
    426,165.72/588,103.56 = 235,174.92/x
  3. Step 3: Cross multiply
    426,165.72x = 588,103.56 × 235,174.92
  4. Step 4: Simplify right side
    426,165.72x = 138,307,207,674.72
  5. Step 5: Solve for x
    x = 138,307,207,674.72/426,165.72
  6. Step 6: Final answer
    x = 324,538.56

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1.5x scale

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.