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Finding the Fourth Proportional to 389,251.01, 583,809.19 and 175,969.32

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Solution

The fourth proportional to 389,251.01, 583,809.19 and 175,969.32 is: 263,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,251.01 : 583,809.19 = 175,969.32 : x
  2. Step 2: Convert to fraction form
    389,251.01/583,809.19 = 175,969.32/x
  3. Step 3: Cross multiply
    389,251.01x = 583,809.19 × 175,969.32
  4. Step 4: Simplify right side
    389,251.01x = 102,732,505,250.13
  5. Step 5: Solve for x
    x = 102,732,505,250.13/389,251.01
  6. Step 6: Final answer
    x = 263,923.54

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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.