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Finding the Fourth Proportional to 323,230.36, 484,873.56 and 98,641.36

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Solution

The fourth proportional to 323,230.36, 484,873.56 and 98,641.36 is: 147,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,230.36 : 484,873.56 = 98,641.36 : x
  2. Step 2: Convert to fraction form
    323,230.36/484,873.56 = 98,641.36/x
  3. Step 3: Cross multiply
    323,230.36x = 484,873.56 × 98,641.36
  4. Step 4: Simplify right side
    323,230.36x = 47,828,587,386.44
  5. Step 5: Solve for x
    x = 47,828,587,386.44/323,230.36
  6. Step 6: Final answer
    x = 147,970.59

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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.