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Finding the Fourth Proportional to 541,098.81, 811,758.92 and 186,066.72

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Solution

The fourth proportional to 541,098.81, 811,758.92 and 186,066.72 is: 279,138.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,098.81 : 811,758.92 = 186,066.72 : x
  2. Step 2: Convert to fraction form
    541,098.81/811,758.92 = 186,066.72/x
  3. Step 3: Cross multiply
    541,098.81x = 811,758.92 × 186,066.72
  4. Step 4: Simplify right side
    541,098.81x = 151,041,318,744.81
  5. Step 5: Solve for x
    x = 151,041,318,744.81/541,098.81
  6. Step 6: Final answer
    x = 279,138.15

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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.