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Finding the Fourth Proportional to 303,346.56, 418,617.44 and 167,381.52

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Solution

The fourth proportional to 303,346.56, 418,617.44 and 167,381.52 is: 230,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,346.56 : 418,617.44 = 167,381.52 : x
  2. Step 2: Convert to fraction form
    303,346.56/418,617.44 = 167,381.52/x
  3. Step 3: Cross multiply
    303,346.56x = 418,617.44 × 167,381.52
  4. Step 4: Simplify right side
    303,346.56x = 70,068,823,405.71
  5. Step 5: Solve for x
    x = 70,068,823,405.71/303,346.56
  6. Step 6: Final answer
    x = 230,986.05

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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.