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Finding the Fourth Proportional to 298,083.60, 446,971.80 and 110,998.80

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Solution

The fourth proportional to 298,083.60, 446,971.80 and 110,998.80 is: 166,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,083.60 : 446,971.80 = 110,998.80 : x
  2. Step 2: Convert to fraction form
    298,083.60/446,971.80 = 110,998.80/x
  3. Step 3: Cross multiply
    298,083.60x = 446,971.80 × 110,998.80
  4. Step 4: Simplify right side
    298,083.60x = 49,613,333,433.84
  5. Step 5: Solve for x
    x = 49,613,333,433.84/298,083.60
  6. Step 6: Final answer
    x = 166,441.00

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1.5x scale

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.