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Finding the Fourth Proportional to 608,872.30, 840,223.08 and 336,951.65

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Solution

The fourth proportional to 608,872.30, 840,223.08 and 336,951.65 is: 464,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,872.30 : 840,223.08 = 336,951.65 : x
  2. Step 2: Convert to fraction form
    608,872.30/840,223.08 = 336,951.65/x
  3. Step 3: Cross multiply
    608,872.30x = 840,223.08 × 336,951.65
  4. Step 4: Simplify right side
    608,872.30x = 283,114,553,174.08
  5. Step 5: Solve for x
    x = 283,114,553,174.08/608,872.30
  6. Step 6: Final answer
    x = 464,981.82

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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.