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Finding the Fourth Proportional to 335,297.52, 502,945.47 and 98,639.82

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Solution

The fourth proportional to 335,297.52, 502,945.47 and 98,639.82 is: 147,959.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,297.52 : 502,945.47 = 98,639.82 : x
  2. Step 2: Convert to fraction form
    335,297.52/502,945.47 = 98,639.82/x
  3. Step 3: Cross multiply
    335,297.52x = 502,945.47 × 98,639.82
  4. Step 4: Simplify right side
    335,297.52x = 49,610,450,630.62
  5. Step 5: Solve for x
    x = 49,610,450,630.62/335,297.52
  6. Step 6: Final answer
    x = 147,959.49

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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.