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Finding the Fourth Proportional to 461,959.20, 692,938.80 and 262,893.60

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Solution

The fourth proportional to 461,959.20, 692,938.80 and 262,893.60 is: 394,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,959.20 : 692,938.80 = 262,893.60 : x
  2. Step 2: Convert to fraction form
    461,959.20/692,938.80 = 262,893.60/x
  3. Step 3: Cross multiply
    461,959.20x = 692,938.80 × 262,893.60
  4. Step 4: Simplify right side
    461,959.20x = 182,169,175,711.68
  5. Step 5: Solve for x
    x = 182,169,175,711.68/461,959.20
  6. Step 6: Final answer
    x = 394,340.40

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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.