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Finding the Fourth Proportional to 484,099.16, 668,065.42 and 269,239.32

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Solution

The fourth proportional to 484,099.16, 668,065.42 and 269,239.32 is: 371,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,099.16 : 668,065.42 = 269,239.32 : x
  2. Step 2: Convert to fraction form
    484,099.16/668,065.42 = 269,239.32/x
  3. Step 3: Cross multiply
    484,099.16x = 668,065.42 × 269,239.32
  4. Step 4: Simplify right side
    484,099.16x = 179,869,479,396.31
  5. Step 5: Solve for x
    x = 179,869,479,396.31/484,099.16
  6. Step 6: Final answer
    x = 371,555.03

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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.