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Finding the Fourth Proportional to 243,678.62, 365,519.46 and 159,509.44

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Solution

The fourth proportional to 243,678.62, 365,519.46 and 159,509.44 is: 239,265.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,678.62 : 365,519.46 = 159,509.44 : x
  2. Step 2: Convert to fraction form
    243,678.62/365,519.46 = 159,509.44/x
  3. Step 3: Cross multiply
    243,678.62x = 365,519.46 × 159,509.44
  4. Step 4: Simplify right side
    243,678.62x = 58,303,805,622.66
  5. Step 5: Solve for x
    x = 58,303,805,622.66/243,678.62
  6. Step 6: Final answer
    x = 239,265.17

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1.5x scale

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.