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Finding the Fourth Proportional to 565,553.60, 848,308.20 and 191,576.56

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Solution

The fourth proportional to 565,553.60, 848,308.20 and 191,576.56 is: 287,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,553.60 : 848,308.20 = 191,576.56 : x
  2. Step 2: Convert to fraction form
    565,553.60/848,308.20 = 191,576.56/x
  3. Step 3: Cross multiply
    565,553.60x = 848,308.20 × 191,576.56
  4. Step 4: Simplify right side
    565,553.60x = 162,515,966,775.79
  5. Step 5: Solve for x
    x = 162,515,966,775.79/565,553.60
  6. Step 6: Final answer
    x = 287,357.32

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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.