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Finding the Fourth Proportional to 499,570.17, 749,447.71 and 158,099.55

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Solution

The fourth proportional to 499,570.17, 749,447.71 and 158,099.55 is: 237,178.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,570.17 : 749,447.71 = 158,099.55 : x
  2. Step 2: Convert to fraction form
    499,570.17/749,447.71 = 158,099.55/x
  3. Step 3: Cross multiply
    499,570.17x = 749,447.71 × 158,099.55
  4. Step 4: Simplify right side
    499,570.17x = 118,487,342,493.85
  5. Step 5: Solve for x
    x = 118,487,342,493.85/499,570.17
  6. Step 6: Final answer
    x = 237,178.58

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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.