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Finding the Fourth Proportional to 312,152.54, 468,229.01 and 75,495.44

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Solution

The fourth proportional to 312,152.54, 468,229.01 and 75,495.44 is: 113,243.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,152.54 : 468,229.01 = 75,495.44 : x
  2. Step 2: Convert to fraction form
    312,152.54/468,229.01 = 75,495.44/x
  3. Step 3: Cross multiply
    312,152.54x = 468,229.01 × 75,495.44
  4. Step 4: Simplify right side
    312,152.54x = 35,349,155,923.81
  5. Step 5: Solve for x
    x = 35,349,155,923.81/312,152.54
  6. Step 6: Final answer
    x = 113,243.21

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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.