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Finding the Fourth Proportional to 565,574.81, 848,362.37 and 166,215.56

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Solution

The fourth proportional to 565,574.81, 848,362.37 and 166,215.56 is: 249,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,574.81 : 848,362.37 = 166,215.56 : x
  2. Step 2: Convert to fraction form
    565,574.81/848,362.37 = 166,215.56/x
  3. Step 3: Cross multiply
    565,574.81x = 848,362.37 × 166,215.56
  4. Step 4: Simplify right side
    565,574.81x = 141,011,021,339.59
  5. Step 5: Solve for x
    x = 141,011,021,339.59/565,574.81
  6. Step 6: Final answer
    x = 249,323.38

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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.