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Finding the Fourth Proportional to 303,522.15, 418,861.19 and 167,556.28

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Solution

The fourth proportional to 303,522.15, 418,861.19 and 167,556.28 is: 231,228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,522.15 : 418,861.19 = 167,556.28 : x
  2. Step 2: Convert to fraction form
    303,522.15/418,861.19 = 167,556.28/x
  3. Step 3: Cross multiply
    303,522.15x = 418,861.19 × 167,556.28
  4. Step 4: Simplify right side
    303,522.15x = 70,182,824,050.07
  5. Step 5: Solve for x
    x = 70,182,824,050.07/303,522.15
  6. Step 6: Final answer
    x = 231,228.01

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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.