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Finding the Fourth Proportional to 361,392.84, 542,133 and 341,491.14

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Solution

The fourth proportional to 361,392.84, 542,133 and 341,491.14 is: 512,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,392.84 : 542,133 = 341,491.14 : x
  2. Step 2: Convert to fraction form
    361,392.84/542,133 = 341,491.14/x
  3. Step 3: Cross multiply
    361,392.84x = 542,133 × 341,491.14
  4. Step 4: Simplify right side
    361,392.84x = 185,133,616,201.62
  5. Step 5: Solve for x
    x = 185,133,616,201.62/361,392.84
  6. Step 6: Final answer
    x = 512,278.04

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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.