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Finding the Fourth Proportional to 389,553.24, 584,329.86 and 94,065.24

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Solution

The fourth proportional to 389,553.24, 584,329.86 and 94,065.24 is: 141,097.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,553.24 : 584,329.86 = 94,065.24 : x
  2. Step 2: Convert to fraction form
    389,553.24/584,329.86 = 94,065.24/x
  3. Step 3: Cross multiply
    389,553.24x = 584,329.86 × 94,065.24
  4. Step 4: Simplify right side
    389,553.24x = 54,965,128,520.07
  5. Step 5: Solve for x
    x = 54,965,128,520.07/389,553.24
  6. Step 6: Final answer
    x = 141,097.86

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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.