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Finding the Fourth Proportional to 488,832.48, 732,302.91 and 274,950.63

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Solution

The fourth proportional to 488,832.48, 732,302.91 and 274,950.63 is: 411,893.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,832.48 : 732,302.91 = 274,950.63 : x
  2. Step 2: Convert to fraction form
    488,832.48/732,302.91 = 274,950.63/x
  3. Step 3: Cross multiply
    488,832.48x = 732,302.91 × 274,950.63
  4. Step 4: Simplify right side
    488,832.48x = 201,347,146,455.33
  5. Step 5: Solve for x
    x = 201,347,146,455.33/488,832.48
  6. Step 6: Final answer
    x = 411,893.96

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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.