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Finding the Fourth Proportional to 417,078.99, 625,185.14 and 177,346.80

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Solution

The fourth proportional to 417,078.99, 625,185.14 and 177,346.80 is: 265,835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,078.99 : 625,185.14 = 177,346.80 : x
  2. Step 2: Convert to fraction form
    417,078.99/625,185.14 = 177,346.80/x
  3. Step 3: Cross multiply
    417,078.99x = 625,185.14 × 177,346.80
  4. Step 4: Simplify right side
    417,078.99x = 110,874,583,099.82
  5. Step 5: Solve for x
    x = 110,874,583,099.82/417,078.99
  6. Step 6: Final answer
    x = 265,835.93

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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.