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Finding the Fourth Proportional to 617,539.82, 925,534.62 and 333,218.88

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Solution

The fourth proportional to 617,539.82, 925,534.62 and 333,218.88 is: 499,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,539.82 : 925,534.62 = 333,218.88 : x
  2. Step 2: Convert to fraction form
    617,539.82/925,534.62 = 333,218.88/x
  3. Step 3: Cross multiply
    617,539.82x = 925,534.62 × 333,218.88
  4. Step 4: Simplify right side
    617,539.82x = 308,405,609,477.63
  5. Step 5: Solve for x
    x = 308,405,609,477.63/617,539.82
  6. Step 6: Final answer
    x = 499,410.08

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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.