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Finding the Fourth Proportional to 773,765.76, 1,161,862.02 and 655,374.54

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Solution

The fourth proportional to 773,765.76, 1,161,862.02 and 655,374.54 is: 984,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,765.76 : 1,161,862.02 = 655,374.54 : x
  2. Step 2: Convert to fraction form
    773,765.76/1,161,862.02 = 655,374.54/x
  3. Step 3: Cross multiply
    773,765.76x = 1,161,862.02 × 655,374.54
  4. Step 4: Simplify right side
    773,765.76x = 761,454,786,900.97
  5. Step 5: Solve for x
    x = 761,454,786,900.97/773,765.76
  6. Step 6: Final answer
    x = 984,089.53

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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.