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Finding the Fourth Proportional to 356,067.42, 536,600.50 and 320,564.21

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Solution

The fourth proportional to 356,067.42, 536,600.50 and 320,564.21 is: 483,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,067.42 : 536,600.50 = 320,564.21 : x
  2. Step 2: Convert to fraction form
    356,067.42/536,600.50 = 320,564.21/x
  3. Step 3: Cross multiply
    356,067.42x = 536,600.50 × 320,564.21
  4. Step 4: Simplify right side
    356,067.42x = 172,014,913,686.87
  5. Step 5: Solve for x
    x = 172,014,913,686.87/356,067.42
  6. Step 6: Final answer
    x = 483,096.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.