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Finding the Fourth Proportional to 396,570.46, 594,133.98 and 354,055.18

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Solution

The fourth proportional to 396,570.46, 594,133.98 and 354,055.18 is: 530,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,570.46 : 594,133.98 = 354,055.18 : x
  2. Step 2: Convert to fraction form
    396,570.46/594,133.98 = 354,055.18/x
  3. Step 3: Cross multiply
    396,570.46x = 594,133.98 × 354,055.18
  4. Step 4: Simplify right side
    396,570.46x = 210,356,211,533.98
  5. Step 5: Solve for x
    x = 210,356,211,533.98/396,570.46
  6. Step 6: Final answer
    x = 530,438.43

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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.