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Finding the Fourth Proportional to 270,201.30, 404,135.55 and 228,210.90

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Solution

The fourth proportional to 270,201.30, 404,135.55 and 228,210.90 is: 341,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,201.30 : 404,135.55 = 228,210.90 : x
  2. Step 2: Convert to fraction form
    270,201.30/404,135.55 = 228,210.90/x
  3. Step 3: Cross multiply
    270,201.30x = 404,135.55 × 228,210.90
  4. Step 4: Simplify right side
    270,201.30x = 92,228,137,587.50
  5. Step 5: Solve for x
    x = 92,228,137,587.50/270,201.30
  6. Step 6: Final answer
    x = 341,331.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.