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Finding the Fourth Proportional to 565,520.25, 848,272.99 and 139,059.77

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Solution

The fourth proportional to 565,520.25, 848,272.99 and 139,059.77 is: 208,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,520.25 : 848,272.99 = 139,059.77 : x
  2. Step 2: Convert to fraction form
    565,520.25/848,272.99 = 139,059.77/x
  3. Step 3: Cross multiply
    565,520.25x = 848,272.99 × 139,059.77
  4. Step 4: Simplify right side
    565,520.25x = 117,960,646,886.61
  5. Step 5: Solve for x
    x = 117,960,646,886.61/565,520.25
  6. Step 6: Final answer
    x = 208,587.84

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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.