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Finding the Fourth Proportional to 610,678.44, 916,025.46 and 161,395.43

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Solution

The fourth proportional to 610,678.44, 916,025.46 and 161,395.43 is: 242,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,678.44 : 916,025.46 = 161,395.43 : x
  2. Step 2: Convert to fraction form
    610,678.44/916,025.46 = 161,395.43/x
  3. Step 3: Cross multiply
    610,678.44x = 916,025.46 × 161,395.43
  4. Step 4: Simplify right side
    610,678.44x = 147,842,321,257.38
  5. Step 5: Solve for x
    x = 147,842,321,257.38/610,678.44
  6. Step 6: Final answer
    x = 242,095.20

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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.