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Finding the Fourth Proportional to 304,085.76, 419,627.52 and 169,946.88

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Solution

The fourth proportional to 304,085.76, 419,627.52 and 169,946.88 is: 234,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,085.76 : 419,627.52 = 169,946.88 : x
  2. Step 2: Convert to fraction form
    304,085.76/419,627.52 = 169,946.88/x
  3. Step 3: Cross multiply
    304,085.76x = 419,627.52 × 169,946.88
  4. Step 4: Simplify right side
    304,085.76x = 71,314,387,786.14
  5. Step 5: Solve for x
    x = 71,314,387,786.14/304,085.76
  6. Step 6: Final answer
    x = 234,520.64

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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.