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Finding the Fourth Proportional to 540,261.73, 810,363.39 and 274,015.34

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Solution

The fourth proportional to 540,261.73, 810,363.39 and 274,015.34 is: 411,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,261.73 : 810,363.39 = 274,015.34 : x
  2. Step 2: Convert to fraction form
    540,261.73/810,363.39 = 274,015.34/x
  3. Step 3: Cross multiply
    540,261.73x = 810,363.39 × 274,015.34
  4. Step 4: Simplify right side
    540,261.73x = 222,051,997,793.89
  5. Step 5: Solve for x
    x = 222,051,997,793.89/540,261.73
  6. Step 6: Final answer
    x = 411,008.19

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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.