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Finding the Fourth Proportional to 477,862.12, 716,917.29 and 178,344.96

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Solution

The fourth proportional to 477,862.12, 716,917.29 and 178,344.96 is: 267,563.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,862.12 : 716,917.29 = 178,344.96 : x
  2. Step 2: Convert to fraction form
    477,862.12/716,917.29 = 178,344.96/x
  3. Step 3: Cross multiply
    477,862.12x = 716,917.29 × 178,344.96
  4. Step 4: Simplify right side
    477,862.12x = 127,858,585,408.36
  5. Step 5: Solve for x
    x = 127,858,585,408.36/477,862.12
  6. Step 6: Final answer
    x = 267,563.76

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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.