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Finding the Fourth Proportional to 383,967.08, 576,061.17 and 117,766.64

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Solution

The fourth proportional to 383,967.08, 576,061.17 and 117,766.64 is: 176,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,967.08 : 576,061.17 = 117,766.64 : x
  2. Step 2: Convert to fraction form
    383,967.08/576,061.17 = 117,766.64/x
  3. Step 3: Cross multiply
    383,967.08x = 576,061.17 × 117,766.64
  4. Step 4: Simplify right side
    383,967.08x = 67,840,788,425.37
  5. Step 5: Solve for x
    x = 67,840,788,425.37/383,967.08
  6. Step 6: Final answer
    x = 176,683.87

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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.