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Finding the Fourth Proportional to 652,293.08, 978,531.89 and 203,059.28

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Solution

The fourth proportional to 652,293.08, 978,531.89 and 203,059.28 is: 304,617.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,293.08 : 978,531.89 = 203,059.28 : x
  2. Step 2: Convert to fraction form
    652,293.08/978,531.89 = 203,059.28/x
  3. Step 3: Cross multiply
    652,293.08x = 978,531.89 × 203,059.28
  4. Step 4: Simplify right side
    652,293.08x = 198,699,975,132.48
  5. Step 5: Solve for x
    x = 198,699,975,132.48/652,293.08
  6. Step 6: Final answer
    x = 304,617.64

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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.