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Finding the Fourth Proportional to 396,085.84, 594,148.92 and 115,624.24

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Solution

The fourth proportional to 396,085.84, 594,148.92 and 115,624.24 is: 173,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,085.84 : 594,148.92 = 115,624.24 : x
  2. Step 2: Convert to fraction form
    396,085.84/594,148.92 = 115,624.24/x
  3. Step 3: Cross multiply
    396,085.84x = 594,148.92 × 115,624.24
  4. Step 4: Simplify right side
    396,085.84x = 68,698,017,321.82
  5. Step 5: Solve for x
    x = 68,698,017,321.82/396,085.84
  6. Step 6: Final answer
    x = 173,442.25

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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.