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Finding the Fourth Proportional to 644,954.96, 967,442.20 and 245,617.84

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Solution

The fourth proportional to 644,954.96, 967,442.20 and 245,617.84 is: 368,430.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,954.96 : 967,442.20 = 245,617.84 : x
  2. Step 2: Convert to fraction form
    644,954.96/967,442.20 = 245,617.84/x
  3. Step 3: Cross multiply
    644,954.96x = 967,442.20 × 245,617.84
  4. Step 4: Simplify right side
    644,954.96x = 237,621,063,488.85
  5. Step 5: Solve for x
    x = 237,621,063,488.85/644,954.96
  6. Step 6: Final answer
    x = 368,430.48

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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.