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Finding the Fourth Proportional to 238,668.84, 329,360.16 and 177,687.60

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Solution

The fourth proportional to 238,668.84, 329,360.16 and 177,687.60 is: 245,206.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,668.84 : 329,360.16 = 177,687.60 : x
  2. Step 2: Convert to fraction form
    238,668.84/329,360.16 = 177,687.60/x
  3. Step 3: Cross multiply
    238,668.84x = 329,360.16 × 177,687.60
  4. Step 4: Simplify right side
    238,668.84x = 58,523,216,366.02
  5. Step 5: Solve for x
    x = 58,523,216,366.02/238,668.84
  6. Step 6: Final answer
    x = 245,206.77

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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.