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Finding the Fourth Proportional to 504,398.46, 696,070.83 and 274,957.62

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Solution

The fourth proportional to 504,398.46, 696,070.83 and 274,957.62 is: 379,442.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,398.46 : 696,070.83 = 274,957.62 : x
  2. Step 2: Convert to fraction form
    504,398.46/696,070.83 = 274,957.62/x
  3. Step 3: Cross multiply
    504,398.46x = 696,070.83 × 274,957.62
  4. Step 4: Simplify right side
    504,398.46x = 191,389,978,768.23
  5. Step 5: Solve for x
    x = 191,389,978,768.23/504,398.46
  6. Step 6: Final answer
    x = 379,442.04

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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.