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Finding the Fourth Proportional to 344,534.72, 475,484.52 and 206,718.80

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Solution

The fourth proportional to 344,534.72, 475,484.52 and 206,718.80 is: 285,287.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,534.72 : 475,484.52 = 206,718.80 : x
  2. Step 2: Convert to fraction form
    344,534.72/475,484.52 = 206,718.80/x
  3. Step 3: Cross multiply
    344,534.72x = 475,484.52 × 206,718.80
  4. Step 4: Simplify right side
    344,534.72x = 98,291,589,392.98
  5. Step 5: Solve for x
    x = 98,291,589,392.98/344,534.72
  6. Step 6: Final answer
    x = 285,287.91

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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.