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Finding the Fourth Proportional to 328,776.62, 492,768.23 and 160,044.17

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Solution

The fourth proportional to 328,776.62, 492,768.23 and 160,044.17 is: 239,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,776.62 : 492,768.23 = 160,044.17 : x
  2. Step 2: Convert to fraction form
    328,776.62/492,768.23 = 160,044.17/x
  3. Step 3: Cross multiply
    328,776.62x = 492,768.23 × 160,044.17
  4. Step 4: Simplify right side
    328,776.62x = 78,864,679,108.66
  5. Step 5: Solve for x
    x = 78,864,679,108.66/328,776.62
  6. Step 6: Final answer
    x = 239,873.14

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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.