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Finding the Fourth Proportional to 501,764.04, 692,433.36 and 275,404.68

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Solution

The fourth proportional to 501,764.04, 692,433.36 and 275,404.68 is: 380,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,764.04 : 692,433.36 = 275,404.68 : x
  2. Step 2: Convert to fraction form
    501,764.04/692,433.36 = 275,404.68/x
  3. Step 3: Cross multiply
    501,764.04x = 692,433.36 × 275,404.68
  4. Step 4: Simplify right side
    501,764.04x = 190,699,387,932.13
  5. Step 5: Solve for x
    x = 190,699,387,932.13/501,764.04
  6. Step 6: Final answer
    x = 380,057.90

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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.