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Finding the Fourth Proportional to 366,863.40, 550,295.10 and 317,655.90

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Solution

The fourth proportional to 366,863.40, 550,295.10 and 317,655.90 is: 476,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,863.40 : 550,295.10 = 317,655.90 : x
  2. Step 2: Convert to fraction form
    366,863.40/550,295.10 = 317,655.90/x
  3. Step 3: Cross multiply
    366,863.40x = 550,295.10 × 317,655.90
  4. Step 4: Simplify right side
    366,863.40x = 174,804,485,256.09
  5. Step 5: Solve for x
    x = 174,804,485,256.09/366,863.40
  6. Step 6: Final answer
    x = 476,483.85

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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.