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Finding the Fourth Proportional to 358,893.99, 495,268.41 and 205,928.83

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Solution

The fourth proportional to 358,893.99, 495,268.41 and 205,928.83 is: 284,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,893.99 : 495,268.41 = 205,928.83 : x
  2. Step 2: Convert to fraction form
    358,893.99/495,268.41 = 205,928.83/x
  3. Step 3: Cross multiply
    358,893.99x = 495,268.41 × 205,928.83
  4. Step 4: Simplify right side
    358,893.99x = 101,990,040,701.27
  5. Step 5: Solve for x
    x = 101,990,040,701.27/358,893.99
  6. Step 6: Final answer
    x = 284,178.74

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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.