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Finding the Fourth Proportional to 317,862.81, 476,741.79 and 104,633.49

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Solution

The fourth proportional to 317,862.81, 476,741.79 and 104,633.49 is: 156,932.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,862.81 : 476,741.79 = 104,633.49 : x
  2. Step 2: Convert to fraction form
    317,862.81/476,741.79 = 104,633.49/x
  3. Step 3: Cross multiply
    317,862.81x = 476,741.79 × 104,633.49
  4. Step 4: Simplify right side
    317,862.81x = 49,883,157,316.55
  5. Step 5: Solve for x
    x = 49,883,157,316.55/317,862.81
  6. Step 6: Final answer
    x = 156,932.98

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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.