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Finding the Fourth Proportional to 565,520.76, 848,273.75 and 139,060.28

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Solution

The fourth proportional to 565,520.76, 848,273.75 and 139,060.28 is: 208,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,520.76 : 848,273.75 = 139,060.28 : x
  2. Step 2: Convert to fraction form
    565,520.76/848,273.75 = 139,060.28/x
  3. Step 3: Cross multiply
    565,520.76x = 848,273.75 × 139,060.28
  4. Step 4: Simplify right side
    565,520.76x = 117,961,180,254.98
  5. Step 5: Solve for x
    x = 117,961,180,254.98/565,520.76
  6. Step 6: Final answer
    x = 208,588.59

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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.