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Finding the Fourth Proportional to 447,407.46, 617,422.37 and 246,203.46

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Solution

The fourth proportional to 447,407.46, 617,422.37 and 246,203.46 is: 339,760.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,407.46 : 617,422.37 = 246,203.46 : x
  2. Step 2: Convert to fraction form
    447,407.46/617,422.37 = 246,203.46/x
  3. Step 3: Cross multiply
    447,407.46x = 617,422.37 × 246,203.46
  4. Step 4: Simplify right side
    447,407.46x = 152,011,523,775.40
  5. Step 5: Solve for x
    x = 152,011,523,775.40/447,407.46
  6. Step 6: Final answer
    x = 339,760.82

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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.