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Finding the Fourth Proportional to 487,992.28, 730,922.36 and 202,818.22

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Solution

The fourth proportional to 487,992.28, 730,922.36 and 202,818.22 is: 303,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,992.28 : 730,922.36 = 202,818.22 : x
  2. Step 2: Convert to fraction form
    487,992.28/730,922.36 = 202,818.22/x
  3. Step 3: Cross multiply
    487,992.28x = 730,922.36 × 202,818.22
  4. Step 4: Simplify right side
    487,992.28x = 148,244,372,013.40
  5. Step 5: Solve for x
    x = 148,244,372,013.40/487,992.28
  6. Step 6: Final answer
    x = 303,784.26

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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.