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Finding the Fourth Proportional to 539,243.22, 744,425.30 and 335,359.82

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Solution

The fourth proportional to 539,243.22, 744,425.30 and 335,359.82 is: 462,964.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,243.22 : 744,425.30 = 335,359.82 : x
  2. Step 2: Convert to fraction form
    539,243.22/744,425.30 = 335,359.82/x
  3. Step 3: Cross multiply
    539,243.22x = 744,425.30 × 335,359.82
  4. Step 4: Simplify right side
    539,243.22x = 249,650,334,611.45
  5. Step 5: Solve for x
    x = 249,650,334,611.45/539,243.22
  6. Step 6: Final answer
    x = 462,964.25

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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.