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Finding the Fourth Proportional to 537,021.68, 805,480.44 and 163,047.92

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Solution

The fourth proportional to 537,021.68, 805,480.44 and 163,047.92 is: 244,556.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,021.68 : 805,480.44 = 163,047.92 : x
  2. Step 2: Convert to fraction form
    537,021.68/805,480.44 = 163,047.92/x
  3. Step 3: Cross multiply
    537,021.68x = 805,480.44 × 163,047.92
  4. Step 4: Simplify right side
    537,021.68x = 131,331,910,342.69
  5. Step 5: Solve for x
    x = 131,331,910,342.69/537,021.68
  6. Step 6: Final answer
    x = 244,556.07

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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.