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Finding the Fourth Proportional to 298,011.66, 444,210.07 and 274,096.86

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Solution

The fourth proportional to 298,011.66, 444,210.07 and 274,096.86 is: 408,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,011.66 : 444,210.07 = 274,096.86 : x
  2. Step 2: Convert to fraction form
    298,011.66/444,210.07 = 274,096.86/x
  3. Step 3: Cross multiply
    298,011.66x = 444,210.07 × 274,096.86
  4. Step 4: Simplify right side
    298,011.66x = 121,756,584,682.14
  5. Step 5: Solve for x
    x = 121,756,584,682.14/298,011.66
  6. Step 6: Final answer
    x = 408,563.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.