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Finding the Fourth Proportional to 478,099.60, 716,978.04 and 158,192.56

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Solution

The fourth proportional to 478,099.60, 716,978.04 and 158,192.56 is: 237,232.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,099.60 : 716,978.04 = 158,192.56 : x
  2. Step 2: Convert to fraction form
    478,099.60/716,978.04 = 158,192.56/x
  3. Step 3: Cross multiply
    478,099.60x = 716,978.04 × 158,192.56
  4. Step 4: Simplify right side
    478,099.60x = 113,420,591,611.38
  5. Step 5: Solve for x
    x = 113,420,591,611.38/478,099.60
  6. Step 6: Final answer
    x = 237,232.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.