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Finding the Fourth Proportional to 356,226, 491,585.91 and 192,881.10

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Solution

The fourth proportional to 356,226, 491,585.91 and 192,881.10 is: 266,172.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,226 : 491,585.91 = 192,881.10 : x
  2. Step 2: Convert to fraction form
    356,226/491,585.91 = 192,881.10/x
  3. Step 3: Cross multiply
    356,226x = 491,585.91 × 192,881.10
  4. Step 4: Simplify right side
    356,226x = 94,817,631,065.30
  5. Step 5: Solve for x
    x = 94,817,631,065.30/356,226
  6. Step 6: Final answer
    x = 266,172.69

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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.