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Finding the Fourth Proportional to 396,569.48, 594,132.50 and 354,054.20

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Solution

The fourth proportional to 396,569.48, 594,132.50 and 354,054.20 is: 530,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,569.48 : 594,132.50 = 354,054.20 : x
  2. Step 2: Convert to fraction form
    396,569.48/594,132.50 = 354,054.20/x
  3. Step 3: Cross multiply
    396,569.48x = 594,132.50 × 354,054.20
  4. Step 4: Simplify right side
    396,569.48x = 210,355,104,895.97
  5. Step 5: Solve for x
    x = 210,355,104,895.97/396,569.48
  6. Step 6: Final answer
    x = 530,436.96

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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.