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Finding the Fourth Proportional to 314,562.29, 471,449.46 and 247,738.50

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Solution

The fourth proportional to 314,562.29, 471,449.46 and 247,738.50 is: 371,297.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,562.29 : 471,449.46 = 247,738.50 : x
  2. Step 2: Convert to fraction form
    314,562.29/471,449.46 = 247,738.50/x
  3. Step 3: Cross multiply
    314,562.29x = 471,449.46 × 247,738.50
  4. Step 4: Simplify right side
    314,562.29x = 116,796,182,975.23
  5. Step 5: Solve for x
    x = 116,796,182,975.23/314,562.29
  6. Step 6: Final answer
    x = 371,297.48

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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.