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Finding the Fourth Proportional to 483,851.34, 725,885.82 and 163,985.04

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Solution

The fourth proportional to 483,851.34, 725,885.82 and 163,985.04 is: 246,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,851.34 : 725,885.82 = 163,985.04 : x
  2. Step 2: Convert to fraction form
    483,851.34/725,885.82 = 163,985.04/x
  3. Step 3: Cross multiply
    483,851.34x = 725,885.82 × 163,985.04
  4. Step 4: Simplify right side
    483,851.34x = 119,034,415,228.13
  5. Step 5: Solve for x
    x = 119,034,415,228.13/483,851.34
  6. Step 6: Final answer
    x = 246,014.44

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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.