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Finding the Fourth Proportional to 343,196.92, 473,447.92 and 228,528.44

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Solution

The fourth proportional to 343,196.92, 473,447.92 and 228,528.44 is: 315,260.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,196.92 : 473,447.92 = 228,528.44 : x
  2. Step 2: Convert to fraction form
    343,196.92/473,447.92 = 228,528.44/x
  3. Step 3: Cross multiply
    343,196.92x = 473,447.92 × 228,528.44
  4. Step 4: Simplify right side
    343,196.92x = 108,196,314,578.85
  5. Step 5: Solve for x
    x = 108,196,314,578.85/343,196.92
  6. Step 6: Final answer
    x = 315,260.16

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1.5x scale

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.