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Finding the Fourth Proportional to 433,511.10, 650,266.65 and 399,296.70

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Solution

The fourth proportional to 433,511.10, 650,266.65 and 399,296.70 is: 598,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,511.10 : 650,266.65 = 399,296.70 : x
  2. Step 2: Convert to fraction form
    433,511.10/650,266.65 = 399,296.70/x
  3. Step 3: Cross multiply
    433,511.10x = 650,266.65 × 399,296.70
  4. Step 4: Simplify right side
    433,511.10x = 259,649,327,465.06
  5. Step 5: Solve for x
    x = 259,649,327,465.06/433,511.10
  6. Step 6: Final answer
    x = 598,945.05

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Double scale
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Similar ratio
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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.