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Finding the Fourth Proportional to 565,521.38, 848,274.67 and 139,060.90

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Solution

The fourth proportional to 565,521.38, 848,274.67 and 139,060.90 is: 208,589.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,521.38 : 848,274.67 = 139,060.90 : x
  2. Step 2: Convert to fraction form
    565,521.38/848,274.67 = 139,060.90/x
  3. Step 3: Cross multiply
    565,521.38x = 848,274.67 × 139,060.90
  4. Step 4: Simplify right side
    565,521.38x = 117,961,839,057.40
  5. Step 5: Solve for x
    x = 117,961,839,057.40/565,521.38
  6. Step 6: Final answer
    x = 208,589.53

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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.