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Finding the Fourth Proportional to 461,941.40, 692,912.10 and 251,989.40

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Solution

The fourth proportional to 461,941.40, 692,912.10 and 251,989.40 is: 377,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,941.40 : 692,912.10 = 251,989.40 : x
  2. Step 2: Convert to fraction form
    461,941.40/692,912.10 = 251,989.40/x
  3. Step 3: Cross multiply
    461,941.40x = 692,912.10 × 251,989.40
  4. Step 4: Simplify right side
    461,941.40x = 174,606,504,331.74
  5. Step 5: Solve for x
    x = 174,606,504,331.74/461,941.40
  6. Step 6: Final answer
    x = 377,984.10

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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.