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Finding the Fourth Proportional to 368,250.45, 508,255.38 and 230,493.26

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Solution

The fourth proportional to 368,250.45, 508,255.38 and 230,493.26 is: 318,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,250.45 : 508,255.38 = 230,493.26 : x
  2. Step 2: Convert to fraction form
    368,250.45/508,255.38 = 230,493.26/x
  3. Step 3: Cross multiply
    368,250.45x = 508,255.38 × 230,493.26
  4. Step 4: Simplify right side
    368,250.45x = 117,149,435,755.00
  5. Step 5: Solve for x
    x = 117,149,435,755.00/368,250.45
  6. Step 6: Final answer
    x = 318,124.35

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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.