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Finding the Fourth Proportional to 504,852.04, 696,698.10 and 278,497.48

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Solution

The fourth proportional to 504,852.04, 696,698.10 and 278,497.48 is: 384,327.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,852.04 : 696,698.10 = 278,497.48 : x
  2. Step 2: Convert to fraction form
    504,852.04/696,698.10 = 278,497.48/x
  3. Step 3: Cross multiply
    504,852.04x = 696,698.10 × 278,497.48
  4. Step 4: Simplify right side
    504,852.04x = 194,028,665,170.79
  5. Step 5: Solve for x
    x = 194,028,665,170.79/504,852.04
  6. Step 6: Final answer
    x = 384,327.78

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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.