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Finding the Fourth Proportional to 478,003.44, 717,000.30 and 123,016.08

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Solution

The fourth proportional to 478,003.44, 717,000.30 and 123,016.08 is: 184,522.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,003.44 : 717,000.30 = 123,016.08 : x
  2. Step 2: Convert to fraction form
    478,003.44/717,000.30 = 123,016.08/x
  3. Step 3: Cross multiply
    478,003.44x = 717,000.30 × 123,016.08
  4. Step 4: Simplify right side
    478,003.44x = 88,202,566,264.82
  5. Step 5: Solve for x
    x = 88,202,566,264.82/478,003.44
  6. Step 6: Final answer
    x = 184,522.87

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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.