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Finding the Fourth Proportional to 653,458.74, 901,761.69 and 363,072.98

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Solution

The fourth proportional to 653,458.74, 901,761.69 and 363,072.98 is: 501,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,458.74 : 901,761.69 = 363,072.98 : x
  2. Step 2: Convert to fraction form
    653,458.74/901,761.69 = 363,072.98/x
  3. Step 3: Cross multiply
    653,458.74x = 901,761.69 × 363,072.98
  4. Step 4: Simplify right side
    653,458.74x = 327,405,299,529.33
  5. Step 5: Solve for x
    x = 327,405,299,529.33/653,458.74
  6. Step 6: Final answer
    x = 501,034.39

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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.