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Finding the Fourth Proportional to 297,900.65, 410,707.86 and 246,724.85

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Solution

The fourth proportional to 297,900.65, 410,707.86 and 246,724.85 is: 340,153.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,900.65 : 410,707.86 = 246,724.85 : x
  2. Step 2: Convert to fraction form
    297,900.65/410,707.86 = 246,724.85/x
  3. Step 3: Cross multiply
    297,900.65x = 410,707.86 × 246,724.85
  4. Step 4: Simplify right side
    297,900.65x = 101,331,835,152.32
  5. Step 5: Solve for x
    x = 101,331,835,152.32/297,900.65
  6. Step 6: Final answer
    x = 340,153.12

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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.