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Finding the Fourth Proportional to 503,216.88, 693,687.96 and 333,155.76

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Solution

The fourth proportional to 503,216.88, 693,687.96 and 333,155.76 is: 459,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,216.88 : 693,687.96 = 333,155.76 : x
  2. Step 2: Convert to fraction form
    503,216.88/693,687.96 = 333,155.76/x
  3. Step 3: Cross multiply
    503,216.88x = 693,687.96 × 333,155.76
  4. Step 4: Simplify right side
    503,216.88x = 231,106,139,516.65
  5. Step 5: Solve for x
    x = 231,106,139,516.65/503,216.88
  6. Step 6: Final answer
    x = 459,257.53

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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.