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Finding the Fourth Proportional to 303,330.32, 454,997.30 and 134,811.03

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Solution

The fourth proportional to 303,330.32, 454,997.30 and 134,811.03 is: 202,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,330.32 : 454,997.30 = 134,811.03 : x
  2. Step 2: Convert to fraction form
    303,330.32/454,997.30 = 134,811.03/x
  3. Step 3: Cross multiply
    303,330.32x = 454,997.30 × 134,811.03
  4. Step 4: Simplify right side
    303,330.32x = 61,338,653,986.16
  5. Step 5: Solve for x
    x = 61,338,653,986.16/303,330.32
  6. Step 6: Final answer
    x = 202,217.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.