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Finding the Fourth Proportional to 338,257.90, 466,790 and 185,299.12

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Solution

The fourth proportional to 338,257.90, 466,790 and 185,299.12 is: 255,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,257.90 : 466,790 = 185,299.12 : x
  2. Step 2: Convert to fraction form
    338,257.90/466,790 = 185,299.12/x
  3. Step 3: Cross multiply
    338,257.90x = 466,790 × 185,299.12
  4. Step 4: Simplify right side
    338,257.90x = 86,495,776,224.80
  5. Step 5: Solve for x
    x = 86,495,776,224.80/338,257.90
  6. Step 6: Final answer
    x = 255,709.55

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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.