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Finding the Fourth Proportional to 379,859.04, 524,309.04 and 236,534.40

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Solution

The fourth proportional to 379,859.04, 524,309.04 and 236,534.40 is: 326,481.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,859.04 : 524,309.04 = 236,534.40 : x
  2. Step 2: Convert to fraction form
    379,859.04/524,309.04 = 236,534.40/x
  3. Step 3: Cross multiply
    379,859.04x = 524,309.04 × 236,534.40
  4. Step 4: Simplify right side
    379,859.04x = 124,017,124,190.98
  5. Step 5: Solve for x
    x = 124,017,124,190.98/379,859.04
  6. Step 6: Final answer
    x = 326,481.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.