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Finding the Fourth Proportional to 645,184.49, 967,714.21 and 195,909.31

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Solution

The fourth proportional to 645,184.49, 967,714.21 and 195,909.31 is: 293,844.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,184.49 : 967,714.21 = 195,909.31 : x
  2. Step 2: Convert to fraction form
    645,184.49/967,714.21 = 195,909.31/x
  3. Step 3: Cross multiply
    645,184.49x = 967,714.21 × 195,909.31
  4. Step 4: Simplify right side
    645,184.49x = 189,584,224,871.68
  5. Step 5: Solve for x
    x = 189,584,224,871.68/645,184.49
  6. Step 6: Final answer
    x = 293,844.98

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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.