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Finding the Fourth Proportional to 303,485.11, 418,809.48 and 167,519.10

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Solution

The fourth proportional to 303,485.11, 418,809.48 and 167,519.10 is: 231,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,485.11 : 418,809.48 = 167,519.10 : x
  2. Step 2: Convert to fraction form
    303,485.11/418,809.48 = 167,519.10/x
  3. Step 3: Cross multiply
    303,485.11x = 418,809.48 × 167,519.10
  4. Step 4: Simplify right side
    303,485.11x = 70,158,587,161.07
  5. Step 5: Solve for x
    x = 70,158,587,161.07/303,485.11
  6. Step 6: Final answer
    x = 231,176.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.