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Finding the Fourth Proportional to 344,061, 474,805.80 and 193,158

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Solution

The fourth proportional to 344,061, 474,805.80 and 193,158 is: 266,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,061 : 474,805.80 = 193,158 : x
  2. Step 2: Convert to fraction form
    344,061/474,805.80 = 193,158/x
  3. Step 3: Cross multiply
    344,061x = 474,805.80 × 193,158
  4. Step 4: Simplify right side
    344,061x = 91,712,538,716.40
  5. Step 5: Solve for x
    x = 91,712,538,716.40/344,061
  6. Step 6: Final answer
    x = 266,558.95

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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.