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Finding the Fourth Proportional to 400,168.45, 552,250.15 and 230,457.25

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Solution

The fourth proportional to 400,168.45, 552,250.15 and 230,457.25 is: 318,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,168.45 : 552,250.15 = 230,457.25 : x
  2. Step 2: Convert to fraction form
    400,168.45/552,250.15 = 230,457.25/x
  3. Step 3: Cross multiply
    400,168.45x = 552,250.15 × 230,457.25
  4. Step 4: Simplify right side
    400,168.45x = 127,270,052,291.58
  5. Step 5: Solve for x
    x = 127,270,052,291.58/400,168.45
  6. Step 6: Final answer
    x = 318,041.19

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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.