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Finding the Fourth Proportional to 358,874.01, 495,257.36 and 205,940.25

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Solution

The fourth proportional to 358,874.01, 495,257.36 and 205,940.25 is: 284,203.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,874.01 : 495,257.36 = 205,940.25 : x
  2. Step 2: Convert to fraction form
    358,874.01/495,257.36 = 205,940.25/x
  3. Step 3: Cross multiply
    358,874.01x = 495,257.36 × 205,940.25
  4. Step 4: Simplify right side
    358,874.01x = 101,993,423,503.04
  5. Step 5: Solve for x
    x = 101,993,423,503.04/358,874.01
  6. Step 6: Final answer
    x = 284,203.98

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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.