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Finding the Fourth Proportional to 501,933.04, 692,662.70 and 272,485.28

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Solution

The fourth proportional to 501,933.04, 692,662.70 and 272,485.28 is: 376,027.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,933.04 : 692,662.70 = 272,485.28 : x
  2. Step 2: Convert to fraction form
    501,933.04/692,662.70 = 272,485.28/x
  3. Step 3: Cross multiply
    501,933.04x = 692,662.70 × 272,485.28
  4. Step 4: Simplify right side
    501,933.04x = 188,740,392,167.93
  5. Step 5: Solve for x
    x = 188,740,392,167.93/501,933.04
  6. Step 6: Final answer
    x = 376,027.04

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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.