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Finding the Fourth Proportional to 325,880.61, 488,190.40 and 183,292.66

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Solution

The fourth proportional to 325,880.61, 488,190.40 and 183,292.66 is: 274,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,880.61 : 488,190.40 = 183,292.66 : x
  2. Step 2: Convert to fraction form
    325,880.61/488,190.40 = 183,292.66/x
  3. Step 3: Cross multiply
    325,880.61x = 488,190.40 × 183,292.66
  4. Step 4: Simplify right side
    325,880.61x = 89,481,717,002.46
  5. Step 5: Solve for x
    x = 89,481,717,002.46/325,880.61
  6. Step 6: Final answer
    x = 274,584.35

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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.