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Finding the Fourth Proportional to 393,797.52, 543,440.60 and 214,949.52

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Solution

The fourth proportional to 393,797.52, 543,440.60 and 214,949.52 is: 296,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,797.52 : 543,440.60 = 214,949.52 : x
  2. Step 2: Convert to fraction form
    393,797.52/543,440.60 = 214,949.52/x
  3. Step 3: Cross multiply
    393,797.52x = 543,440.60 × 214,949.52
  4. Step 4: Simplify right side
    393,797.52x = 116,812,296,118.51
  5. Step 5: Solve for x
    x = 116,812,296,118.51/393,797.52
  6. Step 6: Final answer
    x = 296,630.35

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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.