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Finding the Fourth Proportional to 368,226.41, 508,222.31 and 230,469.30

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Solution

The fourth proportional to 368,226.41, 508,222.31 and 230,469.30 is: 318,091.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,226.41 : 508,222.31 = 230,469.30 : x
  2. Step 2: Convert to fraction form
    368,226.41/508,222.31 = 230,469.30/x
  3. Step 3: Cross multiply
    368,226.41x = 508,222.31 × 230,469.30
  4. Step 4: Simplify right side
    368,226.41x = 117,129,638,877.74
  5. Step 5: Solve for x
    x = 117,129,638,877.74/368,226.41
  6. Step 6: Final answer
    x = 318,091.36

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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.