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Finding the Fourth Proportional to 737,072.60, 1,105,608.90 and 238,436.60

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Solution

The fourth proportional to 737,072.60, 1,105,608.90 and 238,436.60 is: 357,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,072.60 : 1,105,608.90 = 238,436.60 : x
  2. Step 2: Convert to fraction form
    737,072.60/1,105,608.90 = 238,436.60/x
  3. Step 3: Cross multiply
    737,072.60x = 1,105,608.90 × 238,436.60
  4. Step 4: Simplify right side
    737,072.60x = 263,617,627,045.74
  5. Step 5: Solve for x
    x = 263,617,627,045.74/737,072.60
  6. Step 6: Final answer
    x = 357,654.90

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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.