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Finding the Fourth Proportional to 501,627.56, 692,254.50 and 275,294.12

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Solution

The fourth proportional to 501,627.56, 692,254.50 and 275,294.12 is: 379,910.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,627.56 : 692,254.50 = 275,294.12 : x
  2. Step 2: Convert to fraction form
    501,627.56/692,254.50 = 275,294.12/x
  3. Step 3: Cross multiply
    501,627.56x = 692,254.50 × 275,294.12
  4. Step 4: Simplify right side
    501,627.56x = 190,573,593,393.54
  5. Step 5: Solve for x
    x = 190,573,593,393.54/501,627.56
  6. Step 6: Final answer
    x = 379,910.53

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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.