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Finding the Fourth Proportional to 344,358.12, 475,252.74 and 208,467

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Solution

The fourth proportional to 344,358.12, 475,252.74 and 208,467 is: 287,707.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,358.12 : 475,252.74 = 208,467 : x
  2. Step 2: Convert to fraction form
    344,358.12/475,252.74 = 208,467/x
  3. Step 3: Cross multiply
    344,358.12x = 475,252.74 × 208,467
  4. Step 4: Simplify right side
    344,358.12x = 99,074,512,949.58
  5. Step 5: Solve for x
    x = 99,074,512,949.58/344,358.12
  6. Step 6: Final answer
    x = 287,707.79

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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.