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Finding the Fourth Proportional to 616,029.73, 921,796.53 and 363,431.23

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Solution

The fourth proportional to 616,029.73, 921,796.53 and 363,431.23 is: 543,820.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,029.73 : 921,796.53 = 363,431.23 : x
  2. Step 2: Convert to fraction form
    616,029.73/921,796.53 = 363,431.23/x
  3. Step 3: Cross multiply
    616,029.73x = 921,796.53 × 363,431.23
  4. Step 4: Simplify right side
    616,029.73x = 335,009,646,707.63
  5. Step 5: Solve for x
    x = 335,009,646,707.63/616,029.73
  6. Step 6: Final answer
    x = 543,820.58

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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.