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Finding the Fourth Proportional to 540,950.74, 811,387.73 and 185,956.90

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Solution

The fourth proportional to 540,950.74, 811,387.73 and 185,956.90 is: 278,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,950.74 : 811,387.73 = 185,956.90 : x
  2. Step 2: Convert to fraction form
    540,950.74/811,387.73 = 185,956.90/x
  3. Step 3: Cross multiply
    540,950.74x = 811,387.73 × 185,956.90
  4. Step 4: Simplify right side
    540,950.74x = 150,883,145,405.26
  5. Step 5: Solve for x
    x = 150,883,145,405.26/540,950.74
  6. Step 6: Final answer
    x = 278,922.15

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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.