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Finding the Fourth Proportional to 933,620.40, 1,400,430.60 and 850,951.80

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Solution

The fourth proportional to 933,620.40, 1,400,430.60 and 850,951.80 is: 1,276,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,620.40 : 1,400,430.60 = 850,951.80 : x
  2. Step 2: Convert to fraction form
    933,620.40/1,400,430.60 = 850,951.80/x
  3. Step 3: Cross multiply
    933,620.40x = 1,400,430.60 × 850,951.80
  4. Step 4: Simplify right side
    933,620.40x = 1,191,698,939,845.08
  5. Step 5: Solve for x
    x = 1,191,698,939,845.08/933,620.40
  6. Step 6: Final answer
    x = 1,276,427.70

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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.