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Finding the Fourth Proportional to 624,519.84, 861,759.36 and 352,554.24

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Solution

The fourth proportional to 624,519.84, 861,759.36 and 352,554.24 is: 486,480.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,519.84 : 861,759.36 = 352,554.24 : x
  2. Step 2: Convert to fraction form
    624,519.84/861,759.36 = 352,554.24/x
  3. Step 3: Cross multiply
    624,519.84x = 861,759.36 × 352,554.24
  4. Step 4: Simplify right side
    624,519.84x = 303,816,916,227.69
  5. Step 5: Solve for x
    x = 303,816,916,227.69/624,519.84
  6. Step 6: Final answer
    x = 486,480.81

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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.