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Finding the Fourth Proportional to 396,321.60, 594,482.40 and 362,107.20

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Solution

The fourth proportional to 396,321.60, 594,482.40 and 362,107.20 is: 543,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,321.60 : 594,482.40 = 362,107.20 : x
  2. Step 2: Convert to fraction form
    396,321.60/594,482.40 = 362,107.20/x
  3. Step 3: Cross multiply
    396,321.60x = 594,482.40 × 362,107.20
  4. Step 4: Simplify right side
    396,321.60x = 215,266,357,313.28
  5. Step 5: Solve for x
    x = 215,266,357,313.28/396,321.60
  6. Step 6: Final answer
    x = 543,160.80

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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.