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Finding the Fourth Proportional to 400,325.36, 600,393.72 and 147,468.52

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Solution

The fourth proportional to 400,325.36, 600,393.72 and 147,468.52 is: 221,168.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,325.36 : 600,393.72 = 147,468.52 : x
  2. Step 2: Convert to fraction form
    400,325.36/600,393.72 = 147,468.52/x
  3. Step 3: Cross multiply
    400,325.36x = 600,393.72 × 147,468.52
  4. Step 4: Simplify right side
    400,325.36x = 88,539,170,303.73
  5. Step 5: Solve for x
    x = 88,539,170,303.73/400,325.36
  6. Step 6: Final answer
    x = 221,168.03

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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.