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Finding the Fourth Proportional to 433,873.89, 650,561.66 and 231,220.49

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Solution

The fourth proportional to 433,873.89, 650,561.66 and 231,220.49 is: 346,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,873.89 : 650,561.66 = 231,220.49 : x
  2. Step 2: Convert to fraction form
    433,873.89/650,561.66 = 231,220.49/x
  3. Step 3: Cross multiply
    433,873.89x = 650,561.66 × 231,220.49
  4. Step 4: Simplify right side
    433,873.89x = 150,423,181,391.50
  5. Step 5: Solve for x
    x = 150,423,181,391.50/433,873.89
  6. Step 6: Final answer
    x = 346,697.93

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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.