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Finding the Fourth Proportional to 621,660.97, 932,488.37 and 537,164

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Solution

The fourth proportional to 621,660.97, 932,488.37 and 537,164 is: 805,743.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,660.97 : 932,488.37 = 537,164 : x
  2. Step 2: Convert to fraction form
    621,660.97/932,488.37 = 537,164/x
  3. Step 3: Cross multiply
    621,660.97x = 932,488.37 × 537,164
  4. Step 4: Simplify right side
    621,660.97x = 500,899,182,782.68
  5. Step 5: Solve for x
    x = 500,899,182,782.68/621,660.97
  6. Step 6: Final answer
    x = 805,743.33

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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.