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Finding the Fourth Proportional to 784,866, 1,177,310.28 and 223,900.56

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Solution

The fourth proportional to 784,866, 1,177,310.28 and 223,900.56 is: 335,854.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,866 : 1,177,310.28 = 223,900.56 : x
  2. Step 2: Convert to fraction form
    784,866/1,177,310.28 = 223,900.56/x
  3. Step 3: Cross multiply
    784,866x = 1,177,310.28 × 223,900.56
  4. Step 4: Simplify right side
    784,866x = 263,600,430,985.76
  5. Step 5: Solve for x
    x = 263,600,430,985.76/784,866
  6. Step 6: Final answer
    x = 335,854.06

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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.