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Finding the Fourth Proportional to 336,872.76, 464,856.47 and 191,639.90

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Solution

The fourth proportional to 336,872.76, 464,856.47 and 191,639.90 is: 264,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,872.76 : 464,856.47 = 191,639.90 : x
  2. Step 2: Convert to fraction form
    336,872.76/464,856.47 = 191,639.90/x
  3. Step 3: Cross multiply
    336,872.76x = 464,856.47 × 191,639.90
  4. Step 4: Simplify right side
    336,872.76x = 89,085,044,142.67
  5. Step 5: Solve for x
    x = 89,085,044,142.67/336,872.76
  6. Step 6: Final answer
    x = 264,447.16

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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.