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Finding the Fourth Proportional to 336,872.91, 464,856.69 and 191,640.06

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Solution

The fourth proportional to 336,872.91, 464,856.69 and 191,640.06 is: 264,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,872.91 : 464,856.69 = 191,640.06 : x
  2. Step 2: Convert to fraction form
    336,872.91/464,856.69 = 191,640.06/x
  3. Step 3: Cross multiply
    336,872.91x = 464,856.69 × 191,640.06
  4. Step 4: Simplify right side
    336,872.91x = 89,085,163,963.00
  5. Step 5: Solve for x
    x = 89,085,163,963.00/336,872.91
  6. Step 6: Final answer
    x = 264,447.40

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1.5x scale

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.