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Finding the Fourth Proportional to 492,616.62, 738,946.90 and 151,035.47

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Solution

The fourth proportional to 492,616.62, 738,946.90 and 151,035.47 is: 226,559.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,616.62 : 738,946.90 = 151,035.47 : x
  2. Step 2: Convert to fraction form
    492,616.62/738,946.90 = 151,035.47/x
  3. Step 3: Cross multiply
    492,616.62x = 738,946.90 × 151,035.47
  4. Step 4: Simplify right side
    492,616.62x = 111,607,191,611.65
  5. Step 5: Solve for x
    x = 111,607,191,611.65/492,616.62
  6. Step 6: Final answer
    x = 226,559.94

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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.