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Finding the Fourth Proportional to 431,171.01, 594,977.40 and 240,180.30

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Solution

The fourth proportional to 431,171.01, 594,977.40 and 240,180.30 is: 331,427.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,171.01 : 594,977.40 = 240,180.30 : x
  2. Step 2: Convert to fraction form
    431,171.01/594,977.40 = 240,180.30/x
  3. Step 3: Cross multiply
    431,171.01x = 594,977.40 × 240,180.30
  4. Step 4: Simplify right side
    431,171.01x = 142,901,850,425.22
  5. Step 5: Solve for x
    x = 142,901,850,425.22/431,171.01
  6. Step 6: Final answer
    x = 331,427.32

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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.