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Finding the Fourth Proportional to 303,494.32, 418,822.25 and 167,528.36

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Solution

The fourth proportional to 303,494.32, 418,822.25 and 167,528.36 is: 231,189.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,494.32 : 418,822.25 = 167,528.36 : x
  2. Step 2: Convert to fraction form
    303,494.32/418,822.25 = 167,528.36/x
  3. Step 3: Cross multiply
    303,494.32x = 418,822.25 × 167,528.36
  4. Step 4: Simplify right side
    303,494.32x = 70,164,601,742.26
  5. Step 5: Solve for x
    x = 70,164,601,742.26/303,494.32
  6. Step 6: Final answer
    x = 231,189.18

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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.