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Finding the Fourth Proportional to 516,563.74, 774,902.12 and 175,253.61

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Solution

The fourth proportional to 516,563.74, 774,902.12 and 175,253.61 is: 262,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,563.74 : 774,902.12 = 175,253.61 : x
  2. Step 2: Convert to fraction form
    516,563.74/774,902.12 = 175,253.61/x
  3. Step 3: Cross multiply
    516,563.74x = 774,902.12 × 175,253.61
  4. Step 4: Simplify right side
    516,563.74x = 135,804,393,926.65
  5. Step 5: Solve for x
    x = 135,804,393,926.65/516,563.74
  6. Step 6: Final answer
    x = 262,899.59

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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.