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Finding the Fourth Proportional to 253,911.28, 350,384.08 and 146,474.96

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Solution

The fourth proportional to 253,911.28, 350,384.08 and 146,474.96 is: 202,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,911.28 : 350,384.08 = 146,474.96 : x
  2. Step 2: Convert to fraction form
    253,911.28/350,384.08 = 146,474.96/x
  3. Step 3: Cross multiply
    253,911.28x = 350,384.08 × 146,474.96
  4. Step 4: Simplify right side
    253,911.28x = 51,322,494,102.64
  5. Step 5: Solve for x
    x = 51,322,494,102.64/253,911.28
  6. Step 6: Final answer
    x = 202,127.66

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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.