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Finding the Fourth Proportional to 304,918.98, 457,451.15 and 105,241.11

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Solution

The fourth proportional to 304,918.98, 457,451.15 and 105,241.11 is: 157,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,918.98 : 457,451.15 = 105,241.11 : x
  2. Step 2: Convert to fraction form
    304,918.98/457,451.15 = 105,241.11/x
  3. Step 3: Cross multiply
    304,918.98x = 457,451.15 × 105,241.11
  4. Step 4: Simplify right side
    304,918.98x = 48,142,666,796.78
  5. Step 5: Solve for x
    x = 48,142,666,796.78/304,918.98
  6. Step 6: Final answer
    x = 157,886.75

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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.