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Finding the Fourth Proportional to 426,798.96, 588,932.40 and 235,800.96

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Solution

The fourth proportional to 426,798.96, 588,932.40 and 235,800.96 is: 325,377.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,798.96 : 588,932.40 = 235,800.96 : x
  2. Step 2: Convert to fraction form
    426,798.96/588,932.40 = 235,800.96/x
  3. Step 3: Cross multiply
    426,798.96x = 588,932.40 × 235,800.96
  4. Step 4: Simplify right side
    426,798.96x = 138,870,825,295.10
  5. Step 5: Solve for x
    x = 138,870,825,295.10/426,798.96
  6. Step 6: Final answer
    x = 325,377.61

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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.