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Finding the Fourth Proportional to 389,164.56, 583,725.48 and 119,292.24

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Solution

The fourth proportional to 389,164.56, 583,725.48 and 119,292.24 is: 178,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,164.56 : 583,725.48 = 119,292.24 : x
  2. Step 2: Convert to fraction form
    389,164.56/583,725.48 = 119,292.24/x
  3. Step 3: Cross multiply
    389,164.56x = 583,725.48 × 119,292.24
  4. Step 4: Simplify right side
    389,164.56x = 69,633,920,054.28
  5. Step 5: Solve for x
    x = 69,633,920,054.28/389,164.56
  6. Step 6: Final answer
    x = 178,931.81

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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.