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Finding the Fourth Proportional to 565,835.31, 848,730.89 and 191,858.31

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Solution

The fourth proportional to 565,835.31, 848,730.89 and 191,858.31 is: 287,779.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,835.31 : 848,730.89 = 191,858.31 : x
  2. Step 2: Convert to fraction form
    565,835.31/848,730.89 = 191,858.31/x
  3. Step 3: Cross multiply
    565,835.31x = 848,730.89 × 191,858.31
  4. Step 4: Simplify right side
    565,835.31x = 162,836,074,679.84
  5. Step 5: Solve for x
    x = 162,836,074,679.84/565,835.31
  6. Step 6: Final answer
    x = 287,779.98

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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.