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Finding the Fourth Proportional to 644,996.34, 967,496.64 and 195,720.93

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Solution

The fourth proportional to 644,996.34, 967,496.64 and 195,720.93 is: 293,582.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,996.34 : 967,496.64 = 195,720.93 : x
  2. Step 2: Convert to fraction form
    644,996.34/967,496.64 = 195,720.93/x
  3. Step 3: Cross multiply
    644,996.34x = 967,496.64 × 195,720.93
  4. Step 4: Simplify right side
    644,996.34x = 189,359,342,152.68
  5. Step 5: Solve for x
    x = 189,359,342,152.68/644,996.34
  6. Step 6: Final answer
    x = 293,582.04

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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.