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Finding the Fourth Proportional to 445,610.83, 668,646.03 and 295,954.69

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Solution

The fourth proportional to 445,610.83, 668,646.03 and 295,954.69 is: 444,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,610.83 : 668,646.03 = 295,954.69 : x
  2. Step 2: Convert to fraction form
    445,610.83/668,646.03 = 295,954.69/x
  3. Step 3: Cross multiply
    445,610.83x = 668,646.03 × 295,954.69
  4. Step 4: Simplify right side
    445,610.83x = 197,888,928,528.38
  5. Step 5: Solve for x
    x = 197,888,928,528.38/445,610.83
  6. Step 6: Final answer
    x = 444,084.65

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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.