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Finding the Fourth Proportional to 537,726.33, 806,706.59 and 163,739.61

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Solution

The fourth proportional to 537,726.33, 806,706.59 and 163,739.61 is: 245,645.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,726.33 : 806,706.59 = 163,739.61 : x
  2. Step 2: Convert to fraction form
    537,726.33/806,706.59 = 163,739.61/x
  3. Step 3: Cross multiply
    537,726.33x = 806,706.59 × 163,739.61
  4. Step 4: Simplify right side
    537,726.33x = 132,089,821,612.33
  5. Step 5: Solve for x
    x = 132,089,821,612.33/537,726.33
  6. Step 6: Final answer
    x = 245,645.07

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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.