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Finding the Fourth Proportional to 478,654.02, 660,529.56 and 263,794.02

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Solution

The fourth proportional to 478,654.02, 660,529.56 and 263,794.02 is: 364,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,654.02 : 660,529.56 = 263,794.02 : x
  2. Step 2: Convert to fraction form
    478,654.02/660,529.56 = 263,794.02/x
  3. Step 3: Cross multiply
    478,654.02x = 660,529.56 × 263,794.02
  4. Step 4: Simplify right side
    478,654.02x = 174,243,747,961.23
  5. Step 5: Solve for x
    x = 174,243,747,961.23/478,654.02
  6. Step 6: Final answer
    x = 364,028.59

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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.