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Finding the Fourth Proportional to 862,323.90, 1,293,485.85 and 848,327.10

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Solution

The fourth proportional to 862,323.90, 1,293,485.85 and 848,327.10 is: 1,272,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,323.90 : 1,293,485.85 = 848,327.10 : x
  2. Step 2: Convert to fraction form
    862,323.90/1,293,485.85 = 848,327.10/x
  3. Step 3: Cross multiply
    862,323.90x = 1,293,485.85 × 848,327.10
  4. Step 4: Simplify right side
    862,323.90x = 1,097,299,100,021.54
  5. Step 5: Solve for x
    x = 1,097,299,100,021.54/862,323.90
  6. Step 6: Final answer
    x = 1,272,490.65

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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.