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Finding the Fourth Proportional to 368,067.50, 507,928.29 and 204,722.90

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Solution

The fourth proportional to 368,067.50, 507,928.29 and 204,722.90 is: 282,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,067.50 : 507,928.29 = 204,722.90 : x
  2. Step 2: Convert to fraction form
    368,067.50/507,928.29 = 204,722.90/x
  3. Step 3: Cross multiply
    368,067.50x = 507,928.29 × 204,722.90
  4. Step 4: Simplify right side
    368,067.50x = 103,984,552,520.84
  5. Step 5: Solve for x
    x = 103,984,552,520.84/368,067.50
  6. Step 6: Final answer
    x = 282,514.90

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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.