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Finding the Fourth Proportional to 454,737.72, 682,106.10 and 122,313.72

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Solution

The fourth proportional to 454,737.72, 682,106.10 and 122,313.72 is: 183,470.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,737.72 : 682,106.10 = 122,313.72 : x
  2. Step 2: Convert to fraction form
    454,737.72/682,106.10 = 122,313.72/x
  3. Step 3: Cross multiply
    454,737.72x = 682,106.10 × 122,313.72
  4. Step 4: Simplify right side
    454,737.72x = 83,430,934,525.69
  5. Step 5: Solve for x
    x = 83,430,934,525.69/454,737.72
  6. Step 6: Final answer
    x = 183,470.45

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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.