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Finding the Fourth Proportional to 341,711.10, 512,566.65 and 322,028.10

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Solution

The fourth proportional to 341,711.10, 512,566.65 and 322,028.10 is: 483,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,711.10 : 512,566.65 = 322,028.10 : x
  2. Step 2: Convert to fraction form
    341,711.10/512,566.65 = 322,028.10/x
  3. Step 3: Cross multiply
    341,711.10x = 512,566.65 × 322,028.10
  4. Step 4: Simplify right side
    341,711.10x = 165,060,864,422.87
  5. Step 5: Solve for x
    x = 165,060,864,422.87/341,711.10
  6. Step 6: Final answer
    x = 483,042.15

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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.