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Finding the Fourth Proportional to 450,379.56, 621,577.08 and 254,151.12

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Solution

The fourth proportional to 450,379.56, 621,577.08 and 254,151.12 is: 350,758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,379.56 : 621,577.08 = 254,151.12 : x
  2. Step 2: Convert to fraction form
    450,379.56/621,577.08 = 254,151.12/x
  3. Step 3: Cross multiply
    450,379.56x = 621,577.08 × 254,151.12
  4. Step 4: Simplify right side
    450,379.56x = 157,974,511,048.33
  5. Step 5: Solve for x
    x = 157,974,511,048.33/450,379.56
  6. Step 6: Final answer
    x = 350,758.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.