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Finding the Fourth Proportional to 461,640.20, 692,460.30 and 262,574.60

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Solution

The fourth proportional to 461,640.20, 692,460.30 and 262,574.60 is: 393,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,640.20 : 692,460.30 = 262,574.60 : x
  2. Step 2: Convert to fraction form
    461,640.20/692,460.30 = 262,574.60/x
  3. Step 3: Cross multiply
    461,640.20x = 692,460.30 × 262,574.60
  4. Step 4: Simplify right side
    461,640.20x = 181,822,486,288.38
  5. Step 5: Solve for x
    x = 181,822,486,288.38/461,640.20
  6. Step 6: Final answer
    x = 393,861.90

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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.