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Finding the Fourth Proportional to 461,680.98, 637,384.78 and 351,923.65

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Solution

The fourth proportional to 461,680.98, 637,384.78 and 351,923.65 is: 485,856.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,680.98 : 637,384.78 = 351,923.65 : x
  2. Step 2: Convert to fraction form
    461,680.98/637,384.78 = 351,923.65/x
  3. Step 3: Cross multiply
    461,680.98x = 637,384.78 × 351,923.65
  4. Step 4: Simplify right side
    461,680.98x = 224,310,777,078.49
  5. Step 5: Solve for x
    x = 224,310,777,078.49/461,680.98
  6. Step 6: Final answer
    x = 485,856.66

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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.