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Finding the Fourth Proportional to 426,901.92, 589,074.49 and 235,903.92

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Solution

The fourth proportional to 426,901.92, 589,074.49 and 235,903.92 is: 325,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,901.92 : 589,074.49 = 235,903.92 : x
  2. Step 2: Convert to fraction form
    426,901.92/589,074.49 = 235,903.92/x
  3. Step 3: Cross multiply
    426,901.92x = 589,074.49 × 235,903.92
  4. Step 4: Simplify right side
    426,901.92x = 138,964,981,363.00
  5. Step 5: Solve for x
    x = 138,964,981,363.00/426,901.92
  6. Step 6: Final answer
    x = 325,519.69

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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.