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Finding the Fourth Proportional to 479,798.91, 718,910.64 and 164,083.59

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Solution

The fourth proportional to 479,798.91, 718,910.64 and 164,083.59 is: 245,856.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,798.91 : 718,910.64 = 164,083.59 : x
  2. Step 2: Convert to fraction form
    479,798.91/718,910.64 = 164,083.59/x
  3. Step 3: Cross multiply
    479,798.91x = 718,910.64 × 164,083.59
  4. Step 4: Simplify right side
    479,798.91x = 117,961,438,700.40
  5. Step 5: Solve for x
    x = 117,961,438,700.40/479,798.91
  6. Step 6: Final answer
    x = 245,856.00

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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.