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Finding the Fourth Proportional to 341,916.30, 512,874.45 and 322,233.30

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Solution

The fourth proportional to 341,916.30, 512,874.45 and 322,233.30 is: 483,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,916.30 : 512,874.45 = 322,233.30 : x
  2. Step 2: Convert to fraction form
    341,916.30/512,874.45 = 322,233.30/x
  3. Step 3: Cross multiply
    341,916.30x = 512,874.45 × 322,233.30
  4. Step 4: Simplify right side
    341,916.30x = 165,265,226,509.19
  5. Step 5: Solve for x
    x = 165,265,226,509.19/341,916.30
  6. Step 6: Final answer
    x = 483,349.95

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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.