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Finding the Fourth Proportional to 516,562.74, 774,900.62 and 175,252.61

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Solution

The fourth proportional to 516,562.74, 774,900.62 and 175,252.61 is: 262,898.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,562.74 : 774,900.62 = 175,252.61 : x
  2. Step 2: Convert to fraction form
    516,562.74/774,900.62 = 175,252.61/x
  3. Step 3: Cross multiply
    516,562.74x = 774,900.62 × 175,252.61
  4. Step 4: Simplify right side
    516,562.74x = 135,803,351,394.85
  5. Step 5: Solve for x
    x = 135,803,351,394.85/516,562.74
  6. Step 6: Final answer
    x = 262,898.08

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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.