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Finding the Fourth Proportional to 283,559.88, 391,303.32 and 162,699.24

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Solution

The fourth proportional to 283,559.88, 391,303.32 and 162,699.24 is: 224,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,559.88 : 391,303.32 = 162,699.24 : x
  2. Step 2: Convert to fraction form
    283,559.88/391,303.32 = 162,699.24/x
  3. Step 3: Cross multiply
    283,559.88x = 391,303.32 × 162,699.24
  4. Step 4: Simplify right side
    283,559.88x = 63,664,752,773.48
  5. Step 5: Solve for x
    x = 63,664,752,773.48/283,559.88
  6. Step 6: Final answer
    x = 224,519.61

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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.