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Finding the Fourth Proportional to 247,595.78, 343,430.25 and 241,033.21

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Solution

The fourth proportional to 247,595.78, 343,430.25 and 241,033.21 is: 334,327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,595.78 : 343,430.25 = 241,033.21 : x
  2. Step 2: Convert to fraction form
    247,595.78/343,430.25 = 241,033.21/x
  3. Step 3: Cross multiply
    247,595.78x = 343,430.25 × 241,033.21
  4. Step 4: Simplify right side
    247,595.78x = 82,778,093,806.15
  5. Step 5: Solve for x
    x = 82,778,093,806.15/247,595.78
  6. Step 6: Final answer
    x = 334,327.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.