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Finding the Fourth Proportional to 447,593.02, 617,686.22 and 243,649.80

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Solution

The fourth proportional to 447,593.02, 617,686.22 and 243,649.80 is: 336,241.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,593.02 : 617,686.22 = 243,649.80 : x
  2. Step 2: Convert to fraction form
    447,593.02/617,686.22 = 243,649.80/x
  3. Step 3: Cross multiply
    447,593.02x = 617,686.22 × 243,649.80
  4. Step 4: Simplify right side
    447,593.02x = 150,499,124,574.88
  5. Step 5: Solve for x
    x = 150,499,124,574.88/447,593.02
  6. Step 6: Final answer
    x = 336,241.00

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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.