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Finding the Fourth Proportional to 492,850.95, 739,357.53 and 151,285.80

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Solution

The fourth proportional to 492,850.95, 739,357.53 and 151,285.80 is: 226,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,850.95 : 739,357.53 = 151,285.80 : x
  2. Step 2: Convert to fraction form
    492,850.95/739,357.53 = 151,285.80/x
  3. Step 3: Cross multiply
    492,850.95x = 739,357.53 × 151,285.80
  4. Step 4: Simplify right side
    492,850.95x = 111,854,295,412.07
  5. Step 5: Solve for x
    x = 111,854,295,412.07/492,850.95
  6. Step 6: Final answer
    x = 226,953.60

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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.