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Finding the Fourth Proportional to 297,876.43, 411,267.43 and 228,842.95

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Solution

The fourth proportional to 297,876.43, 411,267.43 and 228,842.95 is: 315,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,876.43 : 411,267.43 = 228,842.95 : x
  2. Step 2: Convert to fraction form
    297,876.43/411,267.43 = 228,842.95/x
  3. Step 3: Cross multiply
    297,876.43x = 411,267.43 × 228,842.95
  4. Step 4: Simplify right side
    297,876.43x = 94,115,653,234.34
  5. Step 5: Solve for x
    x = 94,115,653,234.34/297,876.43
  6. Step 6: Final answer
    x = 315,955.35

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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.