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Finding the Fourth Proportional to 478,015.92, 717,060.60 and 123,033.42

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Solution

The fourth proportional to 478,015.92, 717,060.60 and 123,033.42 is: 184,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,015.92 : 717,060.60 = 123,033.42 : x
  2. Step 2: Convert to fraction form
    478,015.92/717,060.60 = 123,033.42/x
  3. Step 3: Cross multiply
    478,015.92x = 717,060.60 × 123,033.42
  4. Step 4: Simplify right side
    478,015.92x = 88,222,417,965.25
  5. Step 5: Solve for x
    x = 88,222,417,965.25/478,015.92
  6. Step 6: Final answer
    x = 184,559.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.