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Finding the Fourth Proportional to 488,051.40, 732,009.60 and 151,323.60

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Solution

The fourth proportional to 488,051.40, 732,009.60 and 151,323.60 is: 226,964.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,051.40 : 732,009.60 = 151,323.60 : x
  2. Step 2: Convert to fraction form
    488,051.40/732,009.60 = 151,323.60/x
  3. Step 3: Cross multiply
    488,051.40x = 732,009.60 × 151,323.60
  4. Step 4: Simplify right side
    488,051.40x = 110,770,327,906.56
  5. Step 5: Solve for x
    x = 110,770,327,906.56/488,051.40
  6. Step 6: Final answer
    x = 226,964.47

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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.