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Finding the Fourth Proportional to 699,168.56, 964,926.60 and 427,395.52

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Solution

The fourth proportional to 699,168.56, 964,926.60 and 427,395.52 is: 589,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,168.56 : 964,926.60 = 427,395.52 : x
  2. Step 2: Convert to fraction form
    699,168.56/964,926.60 = 427,395.52/x
  3. Step 3: Cross multiply
    699,168.56x = 964,926.60 × 427,395.52
  4. Step 4: Simplify right side
    699,168.56x = 412,405,305,968.83
  5. Step 5: Solve for x
    x = 412,405,305,968.83/699,168.56
  6. Step 6: Final answer
    x = 589,851.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.