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Finding the Fourth Proportional to 245,395.44, 368,097.76 and 76,912.04

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Solution

The fourth proportional to 245,395.44, 368,097.76 and 76,912.04 is: 115,369.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,395.44 : 368,097.76 = 76,912.04 : x
  2. Step 2: Convert to fraction form
    245,395.44/368,097.76 = 76,912.04/x
  3. Step 3: Cross multiply
    245,395.44x = 368,097.76 × 76,912.04
  4. Step 4: Simplify right side
    245,395.44x = 28,311,149,641.03
  5. Step 5: Solve for x
    x = 28,311,149,641.03/245,395.44
  6. Step 6: Final answer
    x = 115,369.50

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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.