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Finding the Fourth Proportional to 488,199.44, 731,782.47 and 222,146.81

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Solution

The fourth proportional to 488,199.44, 731,782.47 and 222,146.81 is: 332,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,199.44 : 731,782.47 = 222,146.81 : x
  2. Step 2: Convert to fraction form
    488,199.44/731,782.47 = 222,146.81/x
  3. Step 3: Cross multiply
    488,199.44x = 731,782.47 × 222,146.81
  4. Step 4: Simplify right side
    488,199.44x = 162,563,137,665.51
  5. Step 5: Solve for x
    x = 162,563,137,665.51/488,199.44
  6. Step 6: Final answer
    x = 332,985.10

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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.