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Finding the Fourth Proportional to 336,691, 464,643.30 and 185,797.72

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Solution

The fourth proportional to 336,691, 464,643.30 and 185,797.72 is: 256,406.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,691 : 464,643.30 = 185,797.72 : x
  2. Step 2: Convert to fraction form
    336,691/464,643.30 = 185,797.72/x
  3. Step 3: Cross multiply
    336,691x = 464,643.30 × 185,797.72
  4. Step 4: Simplify right side
    336,691x = 86,329,665,753.28
  5. Step 5: Solve for x
    x = 86,329,665,753.28/336,691
  6. Step 6: Final answer
    x = 256,406.22

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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.