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Finding the Fourth Proportional to 475,885.34, 656,722.71 and 261,027.17

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Solution

The fourth proportional to 475,885.34, 656,722.71 and 261,027.17 is: 360,218.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,885.34 : 656,722.71 = 261,027.17 : x
  2. Step 2: Convert to fraction form
    475,885.34/656,722.71 = 261,027.17/x
  3. Step 3: Cross multiply
    475,885.34x = 656,722.71 × 261,027.17
  4. Step 4: Simplify right side
    475,885.34x = 171,422,467,182.42
  5. Step 5: Solve for x
    x = 171,422,467,182.42/475,885.34
  6. Step 6: Final answer
    x = 360,218.01

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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.