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Finding the Fourth Proportional to 366,844.40, 550,266.60 and 317,636.90

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Solution

The fourth proportional to 366,844.40, 550,266.60 and 317,636.90 is: 476,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,844.40 : 550,266.60 = 317,636.90 : x
  2. Step 2: Convert to fraction form
    366,844.40/550,266.60 = 317,636.90/x
  3. Step 3: Cross multiply
    366,844.40x = 550,266.60 × 317,636.90
  4. Step 4: Simplify right side
    366,844.40x = 174,784,976,997.54
  5. Step 5: Solve for x
    x = 174,784,976,997.54/366,844.40
  6. Step 6: Final answer
    x = 476,455.35

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1.5x scale

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.