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Finding the Fourth Proportional to 540,101.43, 810,660.65 and 274,052.88

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Solution

The fourth proportional to 540,101.43, 810,660.65 and 274,052.88 is: 411,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,101.43 : 810,660.65 = 274,052.88 : x
  2. Step 2: Convert to fraction form
    540,101.43/810,660.65 = 274,052.88/x
  3. Step 3: Cross multiply
    540,101.43x = 810,660.65 × 274,052.88
  4. Step 4: Simplify right side
    540,101.43x = 222,163,884,464.91
  5. Step 5: Solve for x
    x = 222,163,884,464.91/540,101.43
  6. Step 6: Final answer
    x = 411,337.34

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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.