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Finding the Fourth Proportional to 488,111.40, 732,099.60 and 151,383.60

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Solution

The fourth proportional to 488,111.40, 732,099.60 and 151,383.60 is: 227,054.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,111.40 : 732,099.60 = 151,383.60 : x
  2. Step 2: Convert to fraction form
    488,111.40/732,099.60 = 151,383.60/x
  3. Step 3: Cross multiply
    488,111.40x = 732,099.60 × 151,383.60
  4. Step 4: Simplify right side
    488,111.40x = 110,827,873,006.56
  5. Step 5: Solve for x
    x = 110,827,873,006.56/488,111.40
  6. Step 6: Final answer
    x = 227,054.47

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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.