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Finding the Fourth Proportional to 426,446.92, 588,485.52 and 235,456.20

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Solution

The fourth proportional to 426,446.92, 588,485.52 and 235,456.20 is: 324,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,446.92 : 588,485.52 = 235,456.20 : x
  2. Step 2: Convert to fraction form
    426,446.92/588,485.52 = 235,456.20/x
  3. Step 3: Cross multiply
    426,446.92x = 588,485.52 × 235,456.20
  4. Step 4: Simplify right side
    426,446.92x = 138,562,564,294.22
  5. Step 5: Solve for x
    x = 138,562,564,294.22/426,446.92
  6. Step 6: Final answer
    x = 324,923.36

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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.