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Finding the Fourth Proportional to 481,941.74, 722,123.92 and 292,460.36

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Solution

The fourth proportional to 481,941.74, 722,123.92 and 292,460.36 is: 438,211.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,941.74 : 722,123.92 = 292,460.36 : x
  2. Step 2: Convert to fraction form
    481,941.74/722,123.92 = 292,460.36/x
  3. Step 3: Cross multiply
    481,941.74x = 722,123.92 × 292,460.36
  4. Step 4: Simplify right side
    481,941.74x = 211,192,622,681.97
  5. Step 5: Solve for x
    x = 211,192,622,681.97/481,941.74
  6. Step 6: Final answer
    x = 438,211.93

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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.