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Finding the Fourth Proportional to 303,629.34, 418,911.03 and 169,467.42

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Solution

The fourth proportional to 303,629.34, 418,911.03 and 169,467.42 is: 233,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,629.34 : 418,911.03 = 169,467.42 : x
  2. Step 2: Convert to fraction form
    303,629.34/418,911.03 = 169,467.42/x
  3. Step 3: Cross multiply
    303,629.34x = 418,911.03 × 169,467.42
  4. Step 4: Simplify right side
    303,629.34x = 70,991,771,463.64
  5. Step 5: Solve for x
    x = 70,991,771,463.64/303,629.34
  6. Step 6: Final answer
    x = 233,810.64

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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.