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Finding the Fourth Proportional to 476,118.32, 713,231.54 and 262,356.03

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Solution

The fourth proportional to 476,118.32, 713,231.54 and 262,356.03 is: 393,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,118.32 : 713,231.54 = 262,356.03 : x
  2. Step 2: Convert to fraction form
    476,118.32/713,231.54 = 262,356.03/x
  3. Step 3: Cross multiply
    476,118.32x = 713,231.54 × 262,356.03
  4. Step 4: Simplify right side
    476,118.32x = 187,120,593,993.41
  5. Step 5: Solve for x
    x = 187,120,593,993.41/476,118.32
  6. Step 6: Final answer
    x = 393,012.80

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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.