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Finding the Fourth Proportional to 297,744.54, 446,365.77 and 129,137.93

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Solution

The fourth proportional to 297,744.54, 446,365.77 and 129,137.93 is: 193,598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,744.54 : 446,365.77 = 129,137.93 : x
  2. Step 2: Convert to fraction form
    297,744.54/446,365.77 = 129,137.93/x
  3. Step 3: Cross multiply
    297,744.54x = 446,365.77 × 129,137.93
  4. Step 4: Simplify right side
    297,744.54x = 57,642,751,560.66
  5. Step 5: Solve for x
    x = 57,642,751,560.66/297,744.54
  6. Step 6: Final answer
    x = 193,598.01

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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.