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Finding the Fourth Proportional to 303,472.95, 455,209.43 and 163,504.95

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Solution

The fourth proportional to 303,472.95, 455,209.43 and 163,504.95 is: 245,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,472.95 : 455,209.43 = 163,504.95 : x
  2. Step 2: Convert to fraction form
    303,472.95/455,209.43 = 163,504.95/x
  3. Step 3: Cross multiply
    303,472.95x = 455,209.43 × 163,504.95
  4. Step 4: Simplify right side
    303,472.95x = 74,428,994,274.15
  5. Step 5: Solve for x
    x = 74,428,994,274.15/303,472.95
  6. Step 6: Final answer
    x = 245,257.43

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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.