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Finding the Fourth Proportional to 571,859.34, 857,539.80 and 192,709.41

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Solution

The fourth proportional to 571,859.34, 857,539.80 and 192,709.41 is: 288,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,859.34 : 857,539.80 = 192,709.41 : x
  2. Step 2: Convert to fraction form
    571,859.34/857,539.80 = 192,709.41/x
  3. Step 3: Cross multiply
    571,859.34x = 857,539.80 × 192,709.41
  4. Step 4: Simplify right side
    571,859.34x = 165,255,988,909.52
  5. Step 5: Solve for x
    x = 165,255,988,909.52/571,859.34
  6. Step 6: Final answer
    x = 288,980.13

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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.