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Finding the Fourth Proportional to 303,653.14, 455,233.56 and 126,292.93

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Solution

The fourth proportional to 303,653.14, 455,233.56 and 126,292.93 is: 189,337.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,653.14 : 455,233.56 = 126,292.93 : x
  2. Step 2: Convert to fraction form
    303,653.14/455,233.56 = 126,292.93/x
  3. Step 3: Cross multiply
    303,653.14x = 455,233.56 × 126,292.93
  4. Step 4: Simplify right side
    303,653.14x = 57,492,780,126.73
  5. Step 5: Solve for x
    x = 57,492,780,126.73/303,653.14
  6. Step 6: Final answer
    x = 189,337.02

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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.