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Finding the Fourth Proportional to 568,436.84, 852,470.53 and 189,255.69

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Solution

The fourth proportional to 568,436.84, 852,470.53 and 189,255.69 is: 283,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,436.84 : 852,470.53 = 189,255.69 : x
  2. Step 2: Convert to fraction form
    568,436.84/852,470.53 = 189,255.69/x
  3. Step 3: Cross multiply
    568,436.84x = 852,470.53 × 189,255.69
  4. Step 4: Simplify right side
    568,436.84x = 161,334,897,886.68
  5. Step 5: Solve for x
    x = 161,334,897,886.68/568,436.84
  6. Step 6: Final answer
    x = 283,822.03

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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.