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Finding the Fourth Proportional to 389,798.91, 584,698.38 and 94,310.91

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Solution

The fourth proportional to 389,798.91, 584,698.38 and 94,310.91 is: 141,466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,798.91 : 584,698.38 = 94,310.91 : x
  2. Step 2: Convert to fraction form
    389,798.91/584,698.38 = 94,310.91/x
  3. Step 3: Cross multiply
    389,798.91x = 584,698.38 × 94,310.91
  4. Step 4: Simplify right side
    389,798.91x = 55,143,436,293.33
  5. Step 5: Solve for x
    x = 55,143,436,293.33/389,798.91
  6. Step 6: Final answer
    x = 141,466.37

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Similar ratio
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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.