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Finding the Fourth Proportional to 501,496.22, 692,076.93 and 275,141.72

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Solution

The fourth proportional to 501,496.22, 692,076.93 and 275,141.72 is: 379,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,496.22 : 692,076.93 = 275,141.72 : x
  2. Step 2: Convert to fraction form
    501,496.22/692,076.93 = 275,141.72/x
  3. Step 3: Cross multiply
    501,496.22x = 692,076.93 × 275,141.72
  4. Step 4: Simplify right side
    501,496.22x = 190,419,238,622.71
  5. Step 5: Solve for x
    x = 190,419,238,622.71/501,496.22
  6. Step 6: Final answer
    x = 379,702.24

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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.