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Finding the Fourth Proportional to 303,536.70, 455,305.05 and 163,568.70

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Solution

The fourth proportional to 303,536.70, 455,305.05 and 163,568.70 is: 245,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,536.70 : 455,305.05 = 163,568.70 : x
  2. Step 2: Convert to fraction form
    303,536.70/455,305.05 = 163,568.70/x
  3. Step 3: Cross multiply
    303,536.70x = 455,305.05 × 163,568.70
  4. Step 4: Simplify right side
    303,536.70x = 74,473,655,131.94
  5. Step 5: Solve for x
    x = 74,473,655,131.94/303,536.70
  6. Step 6: Final answer
    x = 245,353.05

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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.