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Finding the Fourth Proportional to 400,008.51, 552,150.74 and 230,310.27

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Solution

The fourth proportional to 400,008.51, 552,150.74 and 230,310.27 is: 317,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,008.51 : 552,150.74 = 230,310.27 : x
  2. Step 2: Convert to fraction form
    400,008.51/552,150.74 = 230,310.27/x
  3. Step 3: Cross multiply
    400,008.51x = 552,150.74 × 230,310.27
  4. Step 4: Simplify right side
    400,008.51x = 127,165,986,585.88
  5. Step 5: Solve for x
    x = 127,165,986,585.88/400,008.51
  6. Step 6: Final answer
    x = 317,908.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.