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Finding the Fourth Proportional to 303,011.28, 418,157.64 and 168,883.92

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Solution

The fourth proportional to 303,011.28, 418,157.64 and 168,883.92 is: 233,060.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,011.28 : 418,157.64 = 168,883.92 : x
  2. Step 2: Convert to fraction form
    303,011.28/418,157.64 = 168,883.92/x
  3. Step 3: Cross multiply
    303,011.28x = 418,157.64 × 168,883.92
  4. Step 4: Simplify right side
    303,011.28x = 70,620,101,421.15
  5. Step 5: Solve for x
    x = 70,620,101,421.15/303,011.28
  6. Step 6: Final answer
    x = 233,060.97

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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.