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Finding the Fourth Proportional to 573,044.27, 859,594.95 and 218,085.80

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Solution

The fourth proportional to 573,044.27, 859,594.95 and 218,085.80 is: 327,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,044.27 : 859,594.95 = 218,085.80 : x
  2. Step 2: Convert to fraction form
    573,044.27/859,594.95 = 218,085.80/x
  3. Step 3: Cross multiply
    573,044.27x = 859,594.95 × 218,085.80
  4. Step 4: Simplify right side
    573,044.27x = 187,465,448,048.74
  5. Step 5: Solve for x
    x = 187,465,448,048.74/573,044.27
  6. Step 6: Final answer
    x = 327,139.56

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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.