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Finding the Fourth Proportional to 277,332.94, 382,686.52 and 156,467.17

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Solution

The fourth proportional to 277,332.94, 382,686.52 and 156,467.17 is: 215,906.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,332.94 : 382,686.52 = 156,467.17 : x
  2. Step 2: Convert to fraction form
    277,332.94/382,686.52 = 156,467.17/x
  3. Step 3: Cross multiply
    277,332.94x = 382,686.52 × 156,467.17
  4. Step 4: Simplify right side
    277,332.94x = 59,877,876,781.55
  5. Step 5: Solve for x
    x = 59,877,876,781.55/277,332.94
  6. Step 6: Final answer
    x = 215,906.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.