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Finding the Fourth Proportional to 544,990.40, 816,652.80 and 229,274.24

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Solution

The fourth proportional to 544,990.40, 816,652.80 and 229,274.24 is: 343,561.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,990.40 : 816,652.80 = 229,274.24 : x
  2. Step 2: Convert to fraction form
    544,990.40/816,652.80 = 229,274.24/x
  3. Step 3: Cross multiply
    544,990.40x = 816,652.80 × 229,274.24
  4. Step 4: Simplify right side
    544,990.40x = 187,237,450,063.87
  5. Step 5: Solve for x
    x = 187,237,450,063.87/544,990.40
  6. Step 6: Final answer
    x = 343,561.01

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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.