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Finding the Fourth Proportional to 466,620.10, 698,180.55 and 424,629.70

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Solution

The fourth proportional to 466,620.10, 698,180.55 and 424,629.70 is: 635,352.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,620.10 : 698,180.55 = 424,629.70 : x
  2. Step 2: Convert to fraction form
    466,620.10/698,180.55 = 424,629.70/x
  3. Step 3: Cross multiply
    466,620.10x = 698,180.55 × 424,629.70
  4. Step 4: Simplify right side
    466,620.10x = 296,468,197,492.34
  5. Step 5: Solve for x
    x = 296,468,197,492.34/466,620.10
  6. Step 6: Final answer
    x = 635,352.39

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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.