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Finding the Fourth Proportional to 346,981.20, 519,694.20 and 284,773.20

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Solution

The fourth proportional to 346,981.20, 519,694.20 and 284,773.20 is: 426,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,981.20 : 519,694.20 = 284,773.20 : x
  2. Step 2: Convert to fraction form
    346,981.20/519,694.20 = 284,773.20/x
  3. Step 3: Cross multiply
    346,981.20x = 519,694.20 × 284,773.20
  4. Step 4: Simplify right side
    346,981.20x = 147,994,980,355.44
  5. Step 5: Solve for x
    x = 147,994,980,355.44/346,981.20
  6. Step 6: Final answer
    x = 426,521.61

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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.