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Finding the Fourth Proportional to 297,781.17, 411,152.55 and 183,213.96

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Solution

The fourth proportional to 297,781.17, 411,152.55 and 183,213.96 is: 252,967.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,781.17 : 411,152.55 = 183,213.96 : x
  2. Step 2: Convert to fraction form
    297,781.17/411,152.55 = 183,213.96/x
  3. Step 3: Cross multiply
    297,781.17x = 411,152.55 × 183,213.96
  4. Step 4: Simplify right side
    297,781.17x = 75,328,886,849.60
  5. Step 5: Solve for x
    x = 75,328,886,849.60/297,781.17
  6. Step 6: Final answer
    x = 252,967.26

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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.