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Finding the Fourth Proportional to 616,129.67, 924,299.59 and 274,696.98

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Solution

The fourth proportional to 616,129.67, 924,299.59 and 274,696.98 is: 412,092.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,129.67 : 924,299.59 = 274,696.98 : x
  2. Step 2: Convert to fraction form
    616,129.67/924,299.59 = 274,696.98/x
  3. Step 3: Cross multiply
    616,129.67x = 924,299.59 × 274,696.98
  4. Step 4: Simplify right side
    616,129.67x = 253,902,305,301.50
  5. Step 5: Solve for x
    x = 253,902,305,301.50/616,129.67
  6. Step 6: Final answer
    x = 412,092.32

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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.