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Finding the Fourth Proportional to 335,778.88, 503,843.28 and 148,746.64

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Solution

The fourth proportional to 335,778.88, 503,843.28 and 148,746.64 is: 223,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,778.88 : 503,843.28 = 148,746.64 : x
  2. Step 2: Convert to fraction form
    335,778.88/503,843.28 = 148,746.64/x
  3. Step 3: Cross multiply
    335,778.88x = 503,843.28 × 148,746.64
  4. Step 4: Simplify right side
    335,778.88x = 74,944,994,986.58
  5. Step 5: Solve for x
    x = 74,944,994,986.58/335,778.88
  6. Step 6: Final answer
    x = 223,197.47

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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.