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Finding the Fourth Proportional to 346,334.70, 477,937.34 and 193,375.50

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Solution

The fourth proportional to 346,334.70, 477,937.34 and 193,375.50 is: 266,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,334.70 : 477,937.34 = 193,375.50 : x
  2. Step 2: Convert to fraction form
    346,334.70/477,937.34 = 193,375.50/x
  3. Step 3: Cross multiply
    346,334.70x = 477,937.34 × 193,375.50
  4. Step 4: Simplify right side
    346,334.70x = 92,421,373,833.32
  5. Step 5: Solve for x
    x = 92,421,373,833.32/346,334.70
  6. Step 6: Final answer
    x = 266,855.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.