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Finding the Fourth Proportional to 370,244.54, 510,936.72 and 200,479.16

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Solution

The fourth proportional to 370,244.54, 510,936.72 and 200,479.16 is: 276,660.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,244.54 : 510,936.72 = 200,479.16 : x
  2. Step 2: Convert to fraction form
    370,244.54/510,936.72 = 200,479.16/x
  3. Step 3: Cross multiply
    370,244.54x = 510,936.72 × 200,479.16
  4. Step 4: Simplify right side
    370,244.54x = 102,432,164,438.76
  5. Step 5: Solve for x
    x = 102,432,164,438.76/370,244.54
  6. Step 6: Final answer
    x = 276,660.84

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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.