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Finding the Fourth Proportional to 475,940.20, 713,942.70 and 151,702.60

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Solution

The fourth proportional to 475,940.20, 713,942.70 and 151,702.60 is: 227,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,940.20 : 713,942.70 = 151,702.60 : x
  2. Step 2: Convert to fraction form
    475,940.20/713,942.70 = 151,702.60/x
  3. Step 3: Cross multiply
    475,940.20x = 713,942.70 × 151,702.60
  4. Step 4: Simplify right side
    475,940.20x = 108,306,963,841.02
  5. Step 5: Solve for x
    x = 108,306,963,841.02/475,940.20
  6. Step 6: Final answer
    x = 227,564.23

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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.