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Finding the Fourth Proportional to 270,056.80, 403,918.80 and 228,066.40

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Solution

The fourth proportional to 270,056.80, 403,918.80 and 228,066.40 is: 341,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,056.80 : 403,918.80 = 228,066.40 : x
  2. Step 2: Convert to fraction form
    270,056.80/403,918.80 = 228,066.40/x
  3. Step 3: Cross multiply
    270,056.80x = 403,918.80 × 228,066.40
  4. Step 4: Simplify right side
    270,056.80x = 92,120,306,608.32
  5. Step 5: Solve for x
    x = 92,120,306,608.32/270,056.80
  6. Step 6: Final answer
    x = 341,114.56

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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.