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Finding the Fourth Proportional to 475,957.92, 656,780.08 and 271,968.32

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Solution

The fourth proportional to 475,957.92, 656,780.08 and 271,968.32 is: 375,292.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,957.92 : 656,780.08 = 271,968.32 : x
  2. Step 2: Convert to fraction form
    475,957.92/656,780.08 = 271,968.32/x
  3. Step 3: Cross multiply
    475,957.92x = 656,780.08 × 271,968.32
  4. Step 4: Simplify right side
    475,957.92x = 178,623,374,967.07
  5. Step 5: Solve for x
    x = 178,623,374,967.07/475,957.92
  6. Step 6: Final answer
    x = 375,292.37

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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.