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Finding the Fourth Proportional to 298,336.87, 410,665.06 and 260,029.85

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Solution

The fourth proportional to 298,336.87, 410,665.06 and 260,029.85 is: 357,934.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,336.87 : 410,665.06 = 260,029.85 : x
  2. Step 2: Convert to fraction form
    298,336.87/410,665.06 = 260,029.85/x
  3. Step 3: Cross multiply
    298,336.87x = 410,665.06 × 260,029.85
  4. Step 4: Simplify right side
    298,336.87x = 106,785,173,952.04
  5. Step 5: Solve for x
    x = 106,785,173,952.04/298,336.87
  6. Step 6: Final answer
    x = 357,934.89

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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.