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Finding the Fourth Proportional to 340,960.84, 511,330.60 and 161,018.44

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Solution

The fourth proportional to 340,960.84, 511,330.60 and 161,018.44 is: 241,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,960.84 : 511,330.60 = 161,018.44 : x
  2. Step 2: Convert to fraction form
    340,960.84/511,330.60 = 161,018.44/x
  3. Step 3: Cross multiply
    340,960.84x = 511,330.60 × 161,018.44
  4. Step 4: Simplify right side
    340,960.84x = 82,333,655,536.26
  5. Step 5: Solve for x
    x = 82,333,655,536.26/340,960.84
  6. Step 6: Final answer
    x = 241,475.40

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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.