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Finding the Fourth Proportional to 501,641.04, 692,264.56 and 275,286.48

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Solution

The fourth proportional to 501,641.04, 692,264.56 and 275,286.48 is: 379,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,641.04 : 692,264.56 = 275,286.48 : x
  2. Step 2: Convert to fraction form
    501,641.04/692,264.56 = 275,286.48/x
  3. Step 3: Cross multiply
    501,641.04x = 692,264.56 × 275,286.48
  4. Step 4: Simplify right side
    501,641.04x = 190,571,073,951.15
  5. Step 5: Solve for x
    x = 190,571,073,951.15/501,641.04
  6. Step 6: Final answer
    x = 379,895.30

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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.