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Finding the Fourth Proportional to 368,127.25, 551,894.82 and 208,104.46

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Solution

The fourth proportional to 368,127.25, 551,894.82 and 208,104.46 is: 311,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,127.25 : 551,894.82 = 208,104.46 : x
  2. Step 2: Convert to fraction form
    368,127.25/551,894.82 = 208,104.46/x
  3. Step 3: Cross multiply
    368,127.25x = 551,894.82 × 208,104.46
  4. Step 4: Simplify right side
    368,127.25x = 114,851,773,492.90
  5. Step 5: Solve for x
    x = 114,851,773,492.90/368,127.25
  6. Step 6: Final answer
    x = 311,989.33

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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.