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Finding the Fourth Proportional to 396,113.72, 546,490.68 and 273,597.98

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Solution

The fourth proportional to 396,113.72, 546,490.68 and 273,597.98 is: 377,464.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,113.72 : 546,490.68 = 273,597.98 : x
  2. Step 2: Convert to fraction form
    396,113.72/546,490.68 = 273,597.98/x
  3. Step 3: Cross multiply
    396,113.72x = 546,490.68 × 273,597.98
  4. Step 4: Simplify right side
    396,113.72x = 149,518,746,136.83
  5. Step 5: Solve for x
    x = 149,518,746,136.83/396,113.72
  6. Step 6: Final answer
    x = 377,464.19

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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.