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Finding the Fourth Proportional to 607,265.06, 909,900.59 and 207,687.83

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Solution

The fourth proportional to 607,265.06, 909,900.59 and 207,687.83 is: 311,190.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,265.06 : 909,900.59 = 207,687.83 : x
  2. Step 2: Convert to fraction form
    607,265.06/909,900.59 = 207,687.83/x
  3. Step 3: Cross multiply
    607,265.06x = 909,900.59 × 207,687.83
  4. Step 4: Simplify right side
    607,265.06x = 188,975,273,464.88
  5. Step 5: Solve for x
    x = 188,975,273,464.88/607,265.06
  6. Step 6: Final answer
    x = 311,190.76

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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.