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Finding the Fourth Proportional to 504,361.88, 696,024.10 and 278,015.48

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Solution

The fourth proportional to 504,361.88, 696,024.10 and 278,015.48 is: 383,663.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,361.88 : 696,024.10 = 278,015.48 : x
  2. Step 2: Convert to fraction form
    504,361.88/696,024.10 = 278,015.48/x
  3. Step 3: Cross multiply
    504,361.88x = 696,024.10 × 278,015.48
  4. Step 4: Simplify right side
    504,361.88x = 193,505,474,253.07
  5. Step 5: Solve for x
    x = 193,505,474,253.07/504,361.88
  6. Step 6: Final answer
    x = 383,663.96

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1.5x scale

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.