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Finding the Fourth Proportional to 306,769.61, 423,549.88 and 192,094.27

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Solution

The fourth proportional to 306,769.61, 423,549.88 and 192,094.27 is: 265,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,769.61 : 423,549.88 = 192,094.27 : x
  2. Step 2: Convert to fraction form
    306,769.61/423,549.88 = 192,094.27/x
  3. Step 3: Cross multiply
    306,769.61x = 423,549.88 × 192,094.27
  4. Step 4: Simplify right side
    306,769.61x = 81,361,503,468.08
  5. Step 5: Solve for x
    x = 81,361,503,468.08/306,769.61
  6. Step 6: Final answer
    x = 265,220.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.