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Finding the Fourth Proportional to 453,846.70, 680,770.05 and 424,322.20

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Solution

The fourth proportional to 453,846.70, 680,770.05 and 424,322.20 is: 636,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,846.70 : 680,770.05 = 424,322.20 : x
  2. Step 2: Convert to fraction form
    453,846.70/680,770.05 = 424,322.20/x
  3. Step 3: Cross multiply
    453,846.70x = 680,770.05 × 424,322.20
  4. Step 4: Simplify right side
    453,846.70x = 288,865,845,310.11
  5. Step 5: Solve for x
    x = 288,865,845,310.11/453,846.70
  6. Step 6: Final answer
    x = 636,483.30

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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.