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Finding the Fourth Proportional to 397,467.40, 596,201.10 and 393,968.20

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Solution

The fourth proportional to 397,467.40, 596,201.10 and 393,968.20 is: 590,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,467.40 : 596,201.10 = 393,968.20 : x
  2. Step 2: Convert to fraction form
    397,467.40/596,201.10 = 393,968.20/x
  3. Step 3: Cross multiply
    397,467.40x = 596,201.10 × 393,968.20
  4. Step 4: Simplify right side
    397,467.40x = 234,884,274,205.02
  5. Step 5: Solve for x
    x = 234,884,274,205.02/397,467.40
  6. Step 6: Final answer
    x = 590,952.30

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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.