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Finding the Fourth Proportional to 492,617.62, 738,948.40 and 151,036.47

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Solution

The fourth proportional to 492,617.62, 738,948.40 and 151,036.47 is: 226,561.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,617.62 : 738,948.40 = 151,036.47 : x
  2. Step 2: Convert to fraction form
    492,617.62/738,948.40 = 151,036.47/x
  3. Step 3: Cross multiply
    492,617.62x = 738,948.40 × 151,036.47
  4. Step 4: Simplify right side
    492,617.62x = 111,608,157,848.15
  5. Step 5: Solve for x
    x = 111,608,157,848.15/492,617.62
  6. Step 6: Final answer
    x = 226,561.44

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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.