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Finding the Fourth Proportional to 301,871,524.78, 416,584,114.94 and 171,498,486.70

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Solution

The fourth proportional to 301,871,524.78, 416,584,114.94 and 171,498,486.70 is: 236,668,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,871,524.78 : 416,584,114.94 = 171,498,486.70 : x
  2. Step 2: Convert to fraction form
    301,871,524.78/416,584,114.94 = 171,498,486.70/x
  3. Step 3: Cross multiply
    301,871,524.78x = 416,584,114.94 × 171,498,486.70
  4. Step 4: Simplify right side
    301,871,524.78x = 71,443,545,295,468,856
  5. Step 5: Solve for x
    x = 71,443,545,295,468,856/301,871,524.78
  6. Step 6: Final answer
    x = 236,668,713.11

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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.