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Finding the Fourth Proportional to 455,111.68, 682,158.84 and 170,528.44

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Solution

The fourth proportional to 455,111.68, 682,158.84 and 170,528.44 is: 255,602.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,111.68 : 682,158.84 = 170,528.44 : x
  2. Step 2: Convert to fraction form
    455,111.68/682,158.84 = 170,528.44/x
  3. Step 3: Cross multiply
    455,111.68x = 682,158.84 × 170,528.44
  4. Step 4: Simplify right side
    455,111.68x = 116,327,482,817.41
  5. Step 5: Solve for x
    x = 116,327,482,817.41/455,111.68
  6. Step 6: Final answer
    x = 255,602.06

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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.