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Finding the Fourth Proportional to 543,066.90, 814,697.55 and 227,555.70

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Solution

The fourth proportional to 543,066.90, 814,697.55 and 227,555.70 is: 341,374.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,066.90 : 814,697.55 = 227,555.70 : x
  2. Step 2: Convert to fraction form
    543,066.90/814,697.55 = 227,555.70/x
  3. Step 3: Cross multiply
    543,066.90x = 814,697.55 × 227,555.70
  4. Step 4: Simplify right side
    543,066.90x = 185,389,071,278.54
  5. Step 5: Solve for x
    x = 185,389,071,278.54/543,066.90
  6. Step 6: Final answer
    x = 341,374.28

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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.