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Finding the Fourth Proportional to 478,004.44, 717,001.80 and 123,017.08

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Solution

The fourth proportional to 478,004.44, 717,001.80 and 123,017.08 is: 184,524.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,004.44 : 717,001.80 = 123,017.08 : x
  2. Step 2: Convert to fraction form
    478,004.44/717,001.80 = 123,017.08/x
  3. Step 3: Cross multiply
    478,004.44x = 717,001.80 × 123,017.08
  4. Step 4: Simplify right side
    478,004.44x = 88,203,467,790.74
  5. Step 5: Solve for x
    x = 88,203,467,790.74/478,004.44
  6. Step 6: Final answer
    x = 184,524.37

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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.