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Finding the Fourth Proportional to 200,479.91, 277,027.22 and 190,762.79

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Solution

The fourth proportional to 200,479.91, 277,027.22 and 190,762.79 is: 263,599.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,479.91 : 277,027.22 = 190,762.79 : x
  2. Step 2: Convert to fraction form
    200,479.91/277,027.22 = 190,762.79/x
  3. Step 3: Cross multiply
    200,479.91x = 277,027.22 × 190,762.79
  4. Step 4: Simplify right side
    200,479.91x = 52,846,484,484.91
  5. Step 5: Solve for x
    x = 52,846,484,484.91/200,479.91
  6. Step 6: Final answer
    x = 263,599.91

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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.