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Finding the Fourth Proportional to 565,556.98, 848,155.65 and 186,407.05

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Solution

The fourth proportional to 565,556.98, 848,155.65 and 186,407.05 is: 279,551.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,556.98 : 848,155.65 = 186,407.05 : x
  2. Step 2: Convert to fraction form
    565,556.98/848,155.65 = 186,407.05/x
  3. Step 3: Cross multiply
    565,556.98x = 848,155.65 × 186,407.05
  4. Step 4: Simplify right side
    565,556.98x = 158,102,192,657.33
  5. Step 5: Solve for x
    x = 158,102,192,657.33/565,556.98
  6. Step 6: Final answer
    x = 279,551.31

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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.