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Finding the Fourth Proportional to 529,805.33, 730,952.42 and 300,338.01

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Solution

The fourth proportional to 529,805.33, 730,952.42 and 300,338.01 is: 414,365.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,805.33 : 730,952.42 = 300,338.01 : x
  2. Step 2: Convert to fraction form
    529,805.33/730,952.42 = 300,338.01/x
  3. Step 3: Cross multiply
    529,805.33x = 730,952.42 × 300,338.01
  4. Step 4: Simplify right side
    529,805.33x = 219,532,795,227.48
  5. Step 5: Solve for x
    x = 219,532,795,227.48/529,805.33
  6. Step 6: Final answer
    x = 414,365.02

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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.