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Finding the Fourth Proportional to 346,397, 519,610.62 and 109,757.12

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Solution

The fourth proportional to 346,397, 519,610.62 and 109,757.12 is: 164,640.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,397 : 519,610.62 = 109,757.12 : x
  2. Step 2: Convert to fraction form
    346,397/519,610.62 = 109,757.12/x
  3. Step 3: Cross multiply
    346,397x = 519,610.62 × 109,757.12
  4. Step 4: Simplify right side
    346,397x = 57,030,965,172.61
  5. Step 5: Solve for x
    x = 57,030,965,172.61/346,397
  6. Step 6: Final answer
    x = 164,640.47

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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.