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Finding the Fourth Proportional to 477,448.46, 716,172.84 and 122,462.48

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Solution

The fourth proportional to 477,448.46, 716,172.84 and 122,462.48 is: 183,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,448.46 : 716,172.84 = 122,462.48 : x
  2. Step 2: Convert to fraction form
    477,448.46/716,172.84 = 122,462.48/x
  3. Step 3: Cross multiply
    477,448.46x = 716,172.84 × 122,462.48
  4. Step 4: Simplify right side
    477,448.46x = 87,704,303,885.48
  5. Step 5: Solve for x
    x = 87,704,303,885.48/477,448.46
  6. Step 6: Final answer
    x = 183,693.76

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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.