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Finding the Fourth Proportional to 568,258.61, 852,356.75 and 343,558.72

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Solution

The fourth proportional to 568,258.61, 852,356.75 and 343,558.72 is: 515,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,258.61 : 852,356.75 = 343,558.72 : x
  2. Step 2: Convert to fraction form
    568,258.61/852,356.75 = 343,558.72/x
  3. Step 3: Cross multiply
    568,258.61x = 852,356.75 × 343,558.72
  4. Step 4: Simplify right side
    568,258.61x = 292,834,589,532.77
  5. Step 5: Solve for x
    x = 292,834,589,532.77/568,258.61
  6. Step 6: Final answer
    x = 515,319.23

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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.