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Finding the Fourth Proportional to 638,052.70, 957,025.05 and 194,820.70

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Solution

The fourth proportional to 638,052.70, 957,025.05 and 194,820.70 is: 292,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,052.70 : 957,025.05 = 194,820.70 : x
  2. Step 2: Convert to fraction form
    638,052.70/957,025.05 = 194,820.70/x
  3. Step 3: Cross multiply
    638,052.70x = 957,025.05 × 194,820.70
  4. Step 4: Simplify right side
    638,052.70x = 186,448,290,158.54
  5. Step 5: Solve for x
    x = 186,448,290,158.54/638,052.70
  6. Step 6: Final answer
    x = 292,214.56

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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.