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Finding the Fourth Proportional to 651,480.24, 899,067.42 and 364,990.54

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Solution

The fourth proportional to 651,480.24, 899,067.42 and 364,990.54 is: 503,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,480.24 : 899,067.42 = 364,990.54 : x
  2. Step 2: Convert to fraction form
    651,480.24/899,067.42 = 364,990.54/x
  3. Step 3: Cross multiply
    651,480.24x = 899,067.42 × 364,990.54
  4. Step 4: Simplify right side
    651,480.24x = 328,151,103,122.21
  5. Step 5: Solve for x
    x = 328,151,103,122.21/651,480.24
  6. Step 6: Final answer
    x = 503,700.78

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1.5x scale

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.