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Finding the Fourth Proportional to 389,493.36, 584,240.04 and 94,005.36

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Solution

The fourth proportional to 389,493.36, 584,240.04 and 94,005.36 is: 141,008.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,493.36 : 584,240.04 = 94,005.36 : x
  2. Step 2: Convert to fraction form
    389,493.36/584,240.04 = 94,005.36/x
  3. Step 3: Cross multiply
    389,493.36x = 584,240.04 × 94,005.36
  4. Step 4: Simplify right side
    389,493.36x = 54,921,695,286.61
  5. Step 5: Solve for x
    x = 54,921,695,286.61/389,493.36
  6. Step 6: Final answer
    x = 141,008.04

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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.