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Finding the Fourth Proportional to 644,892.23, 967,347.92 and 245,555.15

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Solution

The fourth proportional to 644,892.23, 967,347.92 and 245,555.15 is: 368,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,892.23 : 967,347.92 = 245,555.15 : x
  2. Step 2: Convert to fraction form
    644,892.23/967,347.92 = 245,555.15/x
  3. Step 3: Cross multiply
    644,892.23x = 967,347.92 × 245,555.15
  4. Step 4: Simplify right side
    644,892.23x = 237,537,257,993.69
  5. Step 5: Solve for x
    x = 237,537,257,993.69/644,892.23
  6. Step 6: Final answer
    x = 368,336.36

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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.