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Finding the Fourth Proportional to 662,122.33, 993,192.64 and 188,807.60

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Solution

The fourth proportional to 662,122.33, 993,192.64 and 188,807.60 is: 283,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,122.33 : 993,192.64 = 188,807.60 : x
  2. Step 2: Convert to fraction form
    662,122.33/993,192.64 = 188,807.60/x
  3. Step 3: Cross multiply
    662,122.33x = 993,192.64 × 188,807.60
  4. Step 4: Simplify right side
    662,122.33x = 187,522,320,707.03
  5. Step 5: Solve for x
    x = 187,522,320,707.03/662,122.33
  6. Step 6: Final answer
    x = 283,214.01

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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.