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Finding the Fourth Proportional to 504,172.84, 695,761.12 and 274,732.64

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Solution

The fourth proportional to 504,172.84, 695,761.12 and 274,732.64 is: 379,132.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,172.84 : 695,761.12 = 274,732.64 : x
  2. Step 2: Convert to fraction form
    504,172.84/695,761.12 = 274,732.64/x
  3. Step 3: Cross multiply
    504,172.84x = 695,761.12 × 274,732.64
  4. Step 4: Simplify right side
    504,172.84x = 191,148,291,921.64
  5. Step 5: Solve for x
    x = 191,148,291,921.64/504,172.84
  6. Step 6: Final answer
    x = 379,132.47

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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.