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Finding the Fourth Proportional to 298,079.15, 447,023.88 and 98,362.31

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Solution

The fourth proportional to 298,079.15, 447,023.88 and 98,362.31 is: 147,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,079.15 : 447,023.88 = 98,362.31 : x
  2. Step 2: Convert to fraction form
    298,079.15/447,023.88 = 98,362.31/x
  3. Step 3: Cross multiply
    298,079.15x = 447,023.88 × 98,362.31
  4. Step 4: Simplify right side
    298,079.15x = 43,970,299,226.84
  5. Step 5: Solve for x
    x = 43,970,299,226.84/298,079.15
  6. Step 6: Final answer
    x = 147,512.16

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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.