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Finding the Fourth Proportional to 580,339.05, 799,550.51 and 449,065.37

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Solution

The fourth proportional to 580,339.05, 799,550.51 and 449,065.37 is: 618,690.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,339.05 : 799,550.51 = 449,065.37 : x
  2. Step 2: Convert to fraction form
    580,339.05/799,550.51 = 449,065.37/x
  3. Step 3: Cross multiply
    580,339.05x = 799,550.51 × 449,065.37
  4. Step 4: Simplify right side
    580,339.05x = 359,050,439,363.76
  5. Step 5: Solve for x
    x = 359,050,439,363.76/580,339.05
  6. Step 6: Final answer
    x = 618,690.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.