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Finding the Fourth Proportional to 477,451.72, 716,177.72 and 122,465.73

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Solution

The fourth proportional to 477,451.72, 716,177.72 and 122,465.73 is: 183,698.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,451.72 : 716,177.72 = 122,465.73 : x
  2. Step 2: Convert to fraction form
    477,451.72/716,177.72 = 122,465.73/x
  3. Step 3: Cross multiply
    477,451.72x = 716,177.72 × 122,465.73
  4. Step 4: Simplify right side
    477,451.72x = 87,707,227,289.54
  5. Step 5: Solve for x
    x = 87,707,227,289.54/477,451.72
  6. Step 6: Final answer
    x = 183,698.63

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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.