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Finding the Fourth Proportional to 300,379, 450,218.58 and 167,195.56

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Solution

The fourth proportional to 300,379, 450,218.58 and 167,195.56 is: 250,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,379 : 450,218.58 = 167,195.56 : x
  2. Step 2: Convert to fraction form
    300,379/450,218.58 = 167,195.56/x
  3. Step 3: Cross multiply
    300,379x = 450,218.58 × 167,195.56
  4. Step 4: Simplify right side
    300,379x = 75,274,547,605.50
  5. Step 5: Solve for x
    x = 75,274,547,605.50/300,379
  6. Step 6: Final answer
    x = 250,598.57

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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.