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Finding the Fourth Proportional to 323,809.16, 447,205.16 and 246,503.56

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Solution

The fourth proportional to 323,809.16, 447,205.16 and 246,503.56 is: 340,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,809.16 : 447,205.16 = 246,503.56 : x
  2. Step 2: Convert to fraction form
    323,809.16/447,205.16 = 246,503.56/x
  3. Step 3: Cross multiply
    323,809.16x = 447,205.16 × 246,503.56
  4. Step 4: Simplify right side
    323,809.16x = 110,237,663,990.37
  5. Step 5: Solve for x
    x = 110,237,663,990.37/323,809.16
  6. Step 6: Final answer
    x = 340,440.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.