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Finding the Fourth Proportional to 270,220.80, 404,164.80 and 228,230.40

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Solution

The fourth proportional to 270,220.80, 404,164.80 and 228,230.40 is: 341,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,220.80 : 404,164.80 = 228,230.40 : x
  2. Step 2: Convert to fraction form
    270,220.80/404,164.80 = 228,230.40/x
  3. Step 3: Cross multiply
    270,220.80x = 404,164.80 × 228,230.40
  4. Step 4: Simplify right side
    270,220.80x = 92,242,693,969.92
  5. Step 5: Solve for x
    x = 92,242,693,969.92/270,220.80
  6. Step 6: Final answer
    x = 341,360.45

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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.