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Finding the Fourth Proportional to 544,206.80, 816,439.80 and 228,501.20

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Solution

The fourth proportional to 544,206.80, 816,439.80 and 228,501.20 is: 342,806.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,206.80 : 816,439.80 = 228,501.20 : x
  2. Step 2: Convert to fraction form
    544,206.80/816,439.80 = 228,501.20/x
  3. Step 3: Cross multiply
    544,206.80x = 816,439.80 × 228,501.20
  4. Step 4: Simplify right side
    544,206.80x = 186,557,474,027.76
  5. Step 5: Solve for x
    x = 186,557,474,027.76/544,206.80
  6. Step 6: Final answer
    x = 342,806.22

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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.