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Finding the Fourth Proportional to 404,649.62, 558,416.57 and 223,361.62

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Solution

The fourth proportional to 404,649.62, 558,416.57 and 223,361.62 is: 308,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,649.62 : 558,416.57 = 223,361.62 : x
  2. Step 2: Convert to fraction form
    404,649.62/558,416.57 = 223,361.62/x
  3. Step 3: Cross multiply
    404,649.62x = 558,416.57 × 223,361.62
  4. Step 4: Simplify right side
    404,649.62x = 124,728,829,710.04
  5. Step 5: Solve for x
    x = 124,728,829,710.04/404,649.62
  6. Step 6: Final answer
    x = 308,239.09

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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.