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Finding the Fourth Proportional to 350,986.59, 484,359.91 and 189,841.26

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Solution

The fourth proportional to 350,986.59, 484,359.91 and 189,841.26 is: 261,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,986.59 : 484,359.91 = 189,841.26 : x
  2. Step 2: Convert to fraction form
    350,986.59/484,359.91 = 189,841.26/x
  3. Step 3: Cross multiply
    350,986.59x = 484,359.91 × 189,841.26
  4. Step 4: Simplify right side
    350,986.59x = 91,951,495,607.89
  5. Step 5: Solve for x
    x = 91,951,495,607.89/350,986.59
  6. Step 6: Final answer
    x = 261,980.08

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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.