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Finding the Fourth Proportional to 571,857.34, 857,536.80 and 192,707.41

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Solution

The fourth proportional to 571,857.34, 857,536.80 and 192,707.41 is: 288,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,857.34 : 857,536.80 = 192,707.41 : x
  2. Step 2: Convert to fraction form
    571,857.34/857,536.80 = 192,707.41/x
  3. Step 3: Cross multiply
    571,857.34x = 857,536.80 × 192,707.41
  4. Step 4: Simplify right side
    571,857.34x = 165,253,695,707.69
  5. Step 5: Solve for x
    x = 165,253,695,707.69/571,857.34
  6. Step 6: Final answer
    x = 288,977.13

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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.