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Finding the Fourth Proportional to 338,137.25, 466,643.99 and 187,234.25

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Solution

The fourth proportional to 338,137.25, 466,643.99 and 187,234.25 is: 258,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,137.25 : 466,643.99 = 187,234.25 : x
  2. Step 2: Convert to fraction form
    338,137.25/466,643.99 = 187,234.25/x
  3. Step 3: Cross multiply
    338,137.25x = 466,643.99 × 187,234.25
  4. Step 4: Simplify right side
    338,137.25x = 87,371,736,548.49
  5. Step 5: Solve for x
    x = 87,371,736,548.49/338,137.25
  6. Step 6: Final answer
    x = 258,391.34

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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.