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Finding the Fourth Proportional to 346,337.32, 477,940.82 and 193,377.88

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Solution

The fourth proportional to 346,337.32, 477,940.82 and 193,377.88 is: 266,858.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,337.32 : 477,940.82 = 193,377.88 : x
  2. Step 2: Convert to fraction form
    346,337.32/477,940.82 = 193,377.88/x
  3. Step 3: Cross multiply
    346,337.32x = 477,940.82 × 193,377.88
  4. Step 4: Simplify right side
    346,337.32x = 92,423,182,537.06
  5. Step 5: Solve for x
    x = 92,423,182,537.06/346,337.32
  6. Step 6: Final answer
    x = 266,858.86

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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.