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Finding the Fourth Proportional to 519,262.16, 779,031.24 and 164,282.48

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Solution

The fourth proportional to 519,262.16, 779,031.24 and 164,282.48 is: 246,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,262.16 : 779,031.24 = 164,282.48 : x
  2. Step 2: Convert to fraction form
    519,262.16/779,031.24 = 164,282.48/x
  3. Step 3: Cross multiply
    519,262.16x = 779,031.24 × 164,282.48
  4. Step 4: Simplify right side
    519,262.16x = 127,981,184,104.68
  5. Step 5: Solve for x
    x = 127,981,184,104.68/519,262.16
  6. Step 6: Final answer
    x = 246,467.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.