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Finding the Fourth Proportional to 303,508.17, 455,408.06 and 163,248.57

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Solution

The fourth proportional to 303,508.17, 455,408.06 and 163,248.57 is: 244,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,508.17 : 455,408.06 = 163,248.57 : x
  2. Step 2: Convert to fraction form
    303,508.17/455,408.06 = 163,248.57/x
  3. Step 3: Cross multiply
    303,508.17x = 455,408.06 × 163,248.57
  4. Step 4: Simplify right side
    303,508.17x = 74,344,713,745.23
  5. Step 5: Solve for x
    x = 74,344,713,745.23/303,508.17
  6. Step 6: Final answer
    x = 244,951.28

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1.5x scale

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.