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Finding the Fourth Proportional to 346,337.70, 519,579.45 and 109,704.30

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Solution

The fourth proportional to 346,337.70, 519,579.45 and 109,704.30 is: 164,579.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,337.70 : 519,579.45 = 109,704.30 : x
  2. Step 2: Convert to fraction form
    346,337.70/519,579.45 = 109,704.30/x
  3. Step 3: Cross multiply
    346,337.70x = 519,579.45 × 109,704.30
  4. Step 4: Simplify right side
    346,337.70x = 57,000,099,856.64
  5. Step 5: Solve for x
    x = 57,000,099,856.64/346,337.70
  6. Step 6: Final answer
    x = 164,579.54

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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.