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Finding the Fourth Proportional to 529,748.98, 793,841.85 and 313,383.94

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Solution

The fourth proportional to 529,748.98, 793,841.85 and 313,383.94 is: 469,613.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,748.98 : 793,841.85 = 313,383.94 : x
  2. Step 2: Convert to fraction form
    529,748.98/793,841.85 = 313,383.94/x
  3. Step 3: Cross multiply
    529,748.98x = 793,841.85 × 313,383.94
  4. Step 4: Simplify right side
    529,748.98x = 248,777,284,705.28
  5. Step 5: Solve for x
    x = 248,777,284,705.28/529,748.98
  6. Step 6: Final answer
    x = 469,613.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.