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Finding the Fourth Proportional to 616,192.20, 922,240.30 and 447,232.20

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Solution

The fourth proportional to 616,192.20, 922,240.30 and 447,232.20 is: 669,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,192.20 : 922,240.30 = 447,232.20 : x
  2. Step 2: Convert to fraction form
    616,192.20/922,240.30 = 447,232.20/x
  3. Step 3: Cross multiply
    616,192.20x = 922,240.30 × 447,232.20
  4. Step 4: Simplify right side
    616,192.20x = 412,455,558,297.66
  5. Step 5: Solve for x
    x = 412,455,558,297.66/616,192.20
  6. Step 6: Final answer
    x = 669,361.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.