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Finding the Fourth Proportional to 580,339.18, 799,550.68 and 449,065.49

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Solution

The fourth proportional to 580,339.18, 799,550.68 and 449,065.49 is: 618,690.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,339.18 : 799,550.68 = 449,065.49 : x
  2. Step 2: Convert to fraction form
    580,339.18/799,550.68 = 449,065.49/x
  3. Step 3: Cross multiply
    580,339.18x = 799,550.68 × 449,065.49
  4. Step 4: Simplify right side
    580,339.18x = 359,050,615,648.71
  5. Step 5: Solve for x
    x = 359,050,615,648.71/580,339.18
  6. Step 6: Final answer
    x = 618,690.98

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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.