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Finding the Fourth Proportional to 499,166.10, 748,474.95 and 245,889.30

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Solution

The fourth proportional to 499,166.10, 748,474.95 and 245,889.30 is: 368,698.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,166.10 : 748,474.95 = 245,889.30 : x
  2. Step 2: Convert to fraction form
    499,166.10/748,474.95 = 245,889.30/x
  3. Step 3: Cross multiply
    499,166.10x = 748,474.95 × 245,889.30
  4. Step 4: Simplify right side
    499,166.10x = 184,041,981,523.04
  5. Step 5: Solve for x
    x = 184,041,981,523.04/499,166.10
  6. Step 6: Final answer
    x = 368,698.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.