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Finding the Fourth Proportional to 366,930.30, 550,395.45 and 310,943.10

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Solution

The fourth proportional to 366,930.30, 550,395.45 and 310,943.10 is: 466,414.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,930.30 : 550,395.45 = 310,943.10 : x
  2. Step 2: Convert to fraction form
    366,930.30/550,395.45 = 310,943.10/x
  3. Step 3: Cross multiply
    366,930.30x = 550,395.45 × 310,943.10
  4. Step 4: Simplify right side
    366,930.30x = 171,141,667,448.90
  5. Step 5: Solve for x
    x = 171,141,667,448.90/366,930.30
  6. Step 6: Final answer
    x = 466,414.65

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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.