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Finding the Fourth Proportional to 457,197.03, 630,872.12 and 263,612.03

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Solution

The fourth proportional to 457,197.03, 630,872.12 and 263,612.03 is: 363,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,197.03 : 630,872.12 = 263,612.03 : x
  2. Step 2: Convert to fraction form
    457,197.03/630,872.12 = 263,612.03/x
  3. Step 3: Cross multiply
    457,197.03x = 630,872.12 × 263,612.03
  4. Step 4: Simplify right side
    457,197.03x = 166,305,477,987.39
  5. Step 5: Solve for x
    x = 166,305,477,987.39/457,197.03
  6. Step 6: Final answer
    x = 363,750.13

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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.