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Finding the Fourth Proportional to 343,385.46, 473,814.17 and 228,835.11

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Solution

The fourth proportional to 343,385.46, 473,814.17 and 228,835.11 is: 315,753.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,385.46 : 473,814.17 = 228,835.11 : x
  2. Step 2: Convert to fraction form
    343,385.46/473,814.17 = 228,835.11/x
  3. Step 3: Cross multiply
    343,385.46x = 473,814.17 × 228,835.11
  4. Step 4: Simplify right side
    343,385.46x = 108,425,319,202.27
  5. Step 5: Solve for x
    x = 108,425,319,202.27/343,385.46
  6. Step 6: Final answer
    x = 315,753.96

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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.