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Finding the Fourth Proportional to 323,812.16, 447,209.30 and 246,506.56

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Solution

The fourth proportional to 323,812.16, 447,209.30 and 246,506.56 is: 340,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,812.16 : 447,209.30 = 246,506.56 : x
  2. Step 2: Convert to fraction form
    323,812.16/447,209.30 = 246,506.56/x
  3. Step 3: Cross multiply
    323,812.16x = 447,209.30 × 246,506.56
  4. Step 4: Simplify right side
    323,812.16x = 110,240,026,143.01
  5. Step 5: Solve for x
    x = 110,240,026,143.01/323,812.16
  6. Step 6: Final answer
    x = 340,444.37

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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.