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Finding the Fourth Proportional to 303,300.45, 454,950.68 and 214,726.95

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Solution

The fourth proportional to 303,300.45, 454,950.68 and 214,726.95 is: 322,090.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,300.45 : 454,950.68 = 214,726.95 : x
  2. Step 2: Convert to fraction form
    303,300.45/454,950.68 = 214,726.95/x
  3. Step 3: Cross multiply
    303,300.45x = 454,950.68 × 214,726.95
  4. Step 4: Simplify right side
    303,300.45x = 97,690,170,843.19
  5. Step 5: Solve for x
    x = 97,690,170,843.19/303,300.45
  6. Step 6: Final answer
    x = 322,090.43

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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.