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Finding the Fourth Proportional to 504,230.46, 695,838.16 and 274,787.82

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Solution

The fourth proportional to 504,230.46, 695,838.16 and 274,787.82 is: 379,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,230.46 : 695,838.16 = 274,787.82 : x
  2. Step 2: Convert to fraction form
    504,230.46/695,838.16 = 274,787.82/x
  3. Step 3: Cross multiply
    504,230.46x = 695,838.16 × 274,787.82
  4. Step 4: Simplify right side
    504,230.46x = 191,207,851,059.21
  5. Step 5: Solve for x
    x = 191,207,851,059.21/504,230.46
  6. Step 6: Final answer
    x = 379,207.26

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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.