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Finding the Fourth Proportional to 533,028.65, 735,578.34 and 303,585.92

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Solution

The fourth proportional to 533,028.65, 735,578.34 and 303,585.92 is: 418,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,028.65 : 735,578.34 = 303,585.92 : x
  2. Step 2: Convert to fraction form
    533,028.65/735,578.34 = 303,585.92/x
  3. Step 3: Cross multiply
    533,028.65x = 735,578.34 × 303,585.92
  4. Step 4: Simplify right side
    533,028.65x = 223,311,227,080.97
  5. Step 5: Solve for x
    x = 223,311,227,080.97/533,028.65
  6. Step 6: Final answer
    x = 418,947.89

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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.