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Finding the Fourth Proportional to 303,573.62, 418,956.66 and 167,621.06

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Solution

The fourth proportional to 303,573.62, 418,956.66 and 167,621.06 is: 231,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,573.62 : 418,956.66 = 167,621.06 : x
  2. Step 2: Convert to fraction form
    303,573.62/418,956.66 = 167,621.06/x
  3. Step 3: Cross multiply
    303,573.62x = 418,956.66 × 167,621.06
  4. Step 4: Simplify right side
    303,573.62x = 70,225,959,443.26
  5. Step 5: Solve for x
    x = 70,225,959,443.26/303,573.62
  6. Step 6: Final answer
    x = 231,330.90

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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.