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Finding the Fourth Proportional to 576,684, 865,211.04 and 277,186.32

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Solution

The fourth proportional to 576,684, 865,211.04 and 277,186.32 is: 415,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,684 : 865,211.04 = 277,186.32 : x
  2. Step 2: Convert to fraction form
    576,684/865,211.04 = 277,186.32/x
  3. Step 3: Cross multiply
    576,684x = 865,211.04 × 277,186.32
  4. Step 4: Simplify right side
    576,684x = 239,824,664,200.97
  5. Step 5: Solve for x
    x = 239,824,664,200.97/576,684
  6. Step 6: Final answer
    x = 415,868.42

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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.