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Finding the Fourth Proportional to 247,460.16, 370,626.72 and 193,817.28

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Solution

The fourth proportional to 247,460.16, 370,626.72 and 193,817.28 is: 290,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,460.16 : 370,626.72 = 193,817.28 : x
  2. Step 2: Convert to fraction form
    247,460.16/370,626.72 = 193,817.28/x
  3. Step 3: Cross multiply
    247,460.16x = 370,626.72 × 193,817.28
  4. Step 4: Simplify right side
    247,460.16x = 71,833,862,765.72
  5. Step 5: Solve for x
    x = 71,833,862,765.72/247,460.16
  6. Step 6: Final answer
    x = 290,284.56

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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.