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Finding the Fourth Proportional to 416,784.70, 624,935.67 and 366,964.84

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Solution

The fourth proportional to 416,784.70, 624,935.67 and 366,964.84 is: 550,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,784.70 : 624,935.67 = 366,964.84 : x
  2. Step 2: Convert to fraction form
    416,784.70/624,935.67 = 366,964.84/x
  3. Step 3: Cross multiply
    416,784.70x = 624,935.67 × 366,964.84
  4. Step 4: Simplify right side
    416,784.70x = 229,329,418,151.84
  5. Step 5: Solve for x
    x = 229,329,418,151.84/416,784.70
  6. Step 6: Final answer
    x = 550,234.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.