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Finding the Fourth Proportional to 322,975.08, 484,487.46 and 98,354.52

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Solution

The fourth proportional to 322,975.08, 484,487.46 and 98,354.52 is: 147,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,975.08 : 484,487.46 = 98,354.52 : x
  2. Step 2: Convert to fraction form
    322,975.08/484,487.46 = 98,354.52/x
  3. Step 3: Cross multiply
    322,975.08x = 484,487.46 × 98,354.52
  4. Step 4: Simplify right side
    322,975.08x = 47,651,531,574.32
  5. Step 5: Solve for x
    x = 47,651,531,574.32/322,975.08
  6. Step 6: Final answer
    x = 147,539.34

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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.