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Finding the Fourth Proportional to 881,649.96, 1,200,400.08 and 878,850.60

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Solution

The fourth proportional to 881,649.96, 1,200,400.08 and 878,850.60 is: 1,196,588.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,649.96 : 1,200,400.08 = 878,850.60 : x
  2. Step 2: Convert to fraction form
    881,649.96/1,200,400.08 = 878,850.60/x
  3. Step 3: Cross multiply
    881,649.96x = 1,200,400.08 × 878,850.60
  4. Step 4: Simplify right side
    881,649.96x = 1,054,972,330,548.05
  5. Step 5: Solve for x
    x = 1,054,972,330,548.05/881,649.96
  6. Step 6: Final answer
    x = 1,196,588.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.