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Finding the Fourth Proportional to 400,958.24, 601,527.13 and 134,711.51

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Solution

The fourth proportional to 400,958.24, 601,527.13 and 134,711.51 is: 202,097.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,958.24 : 601,527.13 = 134,711.51 : x
  2. Step 2: Convert to fraction form
    400,958.24/601,527.13 = 134,711.51/x
  3. Step 3: Cross multiply
    400,958.24x = 601,527.13 × 134,711.51
  4. Step 4: Simplify right side
    400,958.24x = 81,032,624,643.85
  5. Step 5: Solve for x
    x = 81,032,624,643.85/400,958.24
  6. Step 6: Final answer
    x = 202,097.42

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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.