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Finding the Fourth Proportional to 587,574.70, 881,491.65 and 188,233.90

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Solution

The fourth proportional to 587,574.70, 881,491.65 and 188,233.90 is: 282,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,574.70 : 881,491.65 = 188,233.90 : x
  2. Step 2: Convert to fraction form
    587,574.70/881,491.65 = 188,233.90/x
  3. Step 3: Cross multiply
    587,574.70x = 881,491.65 × 188,233.90
  4. Step 4: Simplify right side
    587,574.70x = 165,926,611,096.94
  5. Step 5: Solve for x
    x = 165,926,611,096.94/587,574.70
  6. Step 6: Final answer
    x = 282,392.37

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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.