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Finding the Fourth Proportional to 331,566.90, 497,297.55 and 109,950.90

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Solution

The fourth proportional to 331,566.90, 497,297.55 and 109,950.90 is: 164,908.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,566.90 : 497,297.55 = 109,950.90 : x
  2. Step 2: Convert to fraction form
    331,566.90/497,297.55 = 109,950.90/x
  3. Step 3: Cross multiply
    331,566.90x = 497,297.55 × 109,950.90
  4. Step 4: Simplify right side
    331,566.90x = 54,678,313,190.30
  5. Step 5: Solve for x
    x = 54,678,313,190.30/331,566.90
  6. Step 6: Final answer
    x = 164,908.84

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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.