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Finding the Fourth Proportional to 340,376.20, 510,564.30 and 162,841.48

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Solution

The fourth proportional to 340,376.20, 510,564.30 and 162,841.48 is: 244,262.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,376.20 : 510,564.30 = 162,841.48 : x
  2. Step 2: Convert to fraction form
    340,376.20/510,564.30 = 162,841.48/x
  3. Step 3: Cross multiply
    340,376.20x = 510,564.30 × 162,841.48
  4. Step 4: Simplify right side
    340,376.20x = 83,141,046,247.16
  5. Step 5: Solve for x
    x = 83,141,046,247.16/340,376.20
  6. Step 6: Final answer
    x = 244,262.22

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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.