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Finding the Fourth Proportional to 907,855.10, 1,361,454.60 and 367,884.80

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Solution

The fourth proportional to 907,855.10, 1,361,454.60 and 367,884.80 is: 551,694.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,855.10 : 1,361,454.60 = 367,884.80 : x
  2. Step 2: Convert to fraction form
    907,855.10/1,361,454.60 = 367,884.80/x
  3. Step 3: Cross multiply
    907,855.10x = 1,361,454.60 × 367,884.80
  4. Step 4: Simplify right side
    907,855.10x = 500,858,453,230.08
  5. Step 5: Solve for x
    x = 500,858,453,230.08/907,855.10
  6. Step 6: Final answer
    x = 551,694.27

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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.