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Finding the Fourth Proportional to 433,511.20, 650,266.80 and 246,887.20

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Solution

The fourth proportional to 433,511.20, 650,266.80 and 246,887.20 is: 370,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,511.20 : 650,266.80 = 246,887.20 : x
  2. Step 2: Convert to fraction form
    433,511.20/650,266.80 = 246,887.20/x
  3. Step 3: Cross multiply
    433,511.20x = 650,266.80 × 246,887.20
  4. Step 4: Simplify right side
    433,511.20x = 160,542,549,504.96
  5. Step 5: Solve for x
    x = 160,542,549,504.96/433,511.20
  6. Step 6: Final answer
    x = 370,330.80

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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.