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Finding the Fourth Proportional to 554,902.21, 765,780.44 and 337,037.32

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Solution

The fourth proportional to 554,902.21, 765,780.44 and 337,037.32 is: 465,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,902.21 : 765,780.44 = 337,037.32 : x
  2. Step 2: Convert to fraction form
    554,902.21/765,780.44 = 337,037.32/x
  3. Step 3: Cross multiply
    554,902.21x = 765,780.44 × 337,037.32
  4. Step 4: Simplify right side
    554,902.21x = 258,096,587,206.02
  5. Step 5: Solve for x
    x = 258,096,587,206.02/554,902.21
  6. Step 6: Final answer
    x = 465,120.85

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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.