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Finding the Fourth Proportional to 346,098.80, 519,148.20 and 204,381.20

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Solution

The fourth proportional to 346,098.80, 519,148.20 and 204,381.20 is: 306,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,098.80 : 519,148.20 = 204,381.20 : x
  2. Step 2: Convert to fraction form
    346,098.80/519,148.20 = 204,381.20/x
  3. Step 3: Cross multiply
    346,098.80x = 519,148.20 × 204,381.20
  4. Step 4: Simplify right side
    346,098.80x = 106,104,132,093.84
  5. Step 5: Solve for x
    x = 106,104,132,093.84/346,098.80
  6. Step 6: Final answer
    x = 306,571.80

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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.