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Finding the Fourth Proportional to 637,354.56, 956,080.80 and 164,044.56

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Solution

The fourth proportional to 637,354.56, 956,080.80 and 164,044.56 is: 246,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,354.56 : 956,080.80 = 164,044.56 : x
  2. Step 2: Convert to fraction form
    637,354.56/956,080.80 = 164,044.56/x
  3. Step 3: Cross multiply
    637,354.56x = 956,080.80 × 164,044.56
  4. Step 4: Simplify right side
    637,354.56x = 156,839,854,160.45
  5. Step 5: Solve for x
    x = 156,839,854,160.45/637,354.56
  6. Step 6: Final answer
    x = 246,079.44

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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.