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Finding the Fourth Proportional to 501,618.82, 692,253.94 and 275,272.42

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Solution

The fourth proportional to 501,618.82, 692,253.94 and 275,272.42 is: 379,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,618.82 : 692,253.94 = 275,272.42 : x
  2. Step 2: Convert to fraction form
    501,618.82/692,253.94 = 275,272.42/x
  3. Step 3: Cross multiply
    501,618.82x = 692,253.94 × 275,272.42
  4. Step 4: Simplify right side
    501,618.82x = 190,558,417,318.34
  5. Step 5: Solve for x
    x = 190,558,417,318.34/501,618.82
  6. Step 6: Final answer
    x = 379,886.90

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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.