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Finding the Fourth Proportional to 576,056.86, 864,084.32 and 238,872.49

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Solution

The fourth proportional to 576,056.86, 864,084.32 and 238,872.49 is: 358,308.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,056.86 : 864,084.32 = 238,872.49 : x
  2. Step 2: Convert to fraction form
    576,056.86/864,084.32 = 238,872.49/x
  3. Step 3: Cross multiply
    576,056.86x = 864,084.32 × 238,872.49
  4. Step 4: Simplify right side
    576,056.86x = 206,405,967,573.57
  5. Step 5: Solve for x
    x = 206,405,967,573.57/576,056.86
  6. Step 6: Final answer
    x = 358,308.33

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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.