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Finding the Fourth Proportional to 343,080.96, 473,616 and 228,550.20

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Solution

The fourth proportional to 343,080.96, 473,616 and 228,550.20 is: 315,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,080.96 : 473,616 = 228,550.20 : x
  2. Step 2: Convert to fraction form
    343,080.96/473,616 = 228,550.20/x
  3. Step 3: Cross multiply
    343,080.96x = 473,616 × 228,550.20
  4. Step 4: Simplify right side
    343,080.96x = 108,245,031,523.20
  5. Step 5: Solve for x
    x = 108,245,031,523.20/343,080.96
  6. Step 6: Final answer
    x = 315,508.71

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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.