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Finding the Fourth Proportional to 555,780.60, 833,647.68 and 235,844.64

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Solution

The fourth proportional to 555,780.60, 833,647.68 and 235,844.64 is: 353,757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,780.60 : 833,647.68 = 235,844.64 : x
  2. Step 2: Convert to fraction form
    555,780.60/833,647.68 = 235,844.64/x
  3. Step 3: Cross multiply
    555,780.60x = 833,647.68 × 235,844.64
  4. Step 4: Simplify right side
    555,780.60x = 196,611,336,976.44
  5. Step 5: Solve for x
    x = 196,611,336,976.44/555,780.60
  6. Step 6: Final answer
    x = 353,757.11

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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.