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Finding the Fourth Proportional to 500,238.62, 750,245.62 and 230,107.32

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Solution

The fourth proportional to 500,238.62, 750,245.62 and 230,107.32 is: 345,109.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,238.62 : 750,245.62 = 230,107.32 : x
  2. Step 2: Convert to fraction form
    500,238.62/750,245.62 = 230,107.32/x
  3. Step 3: Cross multiply
    500,238.62x = 750,245.62 × 230,107.32
  4. Step 4: Simplify right side
    500,238.62x = 172,637,008,570.07
  5. Step 5: Solve for x
    x = 172,637,008,570.07/500,238.62
  6. Step 6: Final answer
    x = 345,109.32

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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.