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Finding the Fourth Proportional to 624,593.49, 936,897.90 and 219,797.78

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Solution

The fourth proportional to 624,593.49, 936,897.90 and 219,797.78 is: 329,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,593.49 : 936,897.90 = 219,797.78 : x
  2. Step 2: Convert to fraction form
    624,593.49/936,897.90 = 219,797.78/x
  3. Step 3: Cross multiply
    624,593.49x = 936,897.90 × 219,797.78
  4. Step 4: Simplify right side
    624,593.49x = 205,928,073,822.17
  5. Step 5: Solve for x
    x = 205,928,073,822.17/624,593.49
  6. Step 6: Final answer
    x = 329,699.36

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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.