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Finding the Fourth Proportional to 453,906.40, 679,693.20 and 334,933.60

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Solution

The fourth proportional to 453,906.40, 679,693.20 and 334,933.60 is: 501,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,906.40 : 679,693.20 = 334,933.60 : x
  2. Step 2: Convert to fraction form
    453,906.40/679,693.20 = 334,933.60/x
  3. Step 3: Cross multiply
    453,906.40x = 679,693.20 × 334,933.60
  4. Step 4: Simplify right side
    453,906.40x = 227,652,090,371.52
  5. Step 5: Solve for x
    x = 227,652,090,371.52/453,906.40
  6. Step 6: Final answer
    x = 501,539.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.