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Finding the Fourth Proportional to 544,107.80, 815,870.10 and 228,207.80

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Solution

The fourth proportional to 544,107.80, 815,870.10 and 228,207.80 is: 342,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,107.80 : 815,870.10 = 228,207.80 : x
  2. Step 2: Convert to fraction form
    544,107.80/815,870.10 = 228,207.80/x
  3. Step 3: Cross multiply
    544,107.80x = 815,870.10 × 228,207.80
  4. Step 4: Simplify right side
    544,107.80x = 186,187,920,606.78
  5. Step 5: Solve for x
    x = 186,187,920,606.78/544,107.80
  6. Step 6: Final answer
    x = 342,189.40

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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.