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Finding the Fourth Proportional to 530,950.40, 796,415.36 and 131,592

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Solution

The fourth proportional to 530,950.40, 796,415.36 and 131,592 is: 197,385.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,950.40 : 796,415.36 = 131,592 : x
  2. Step 2: Convert to fraction form
    530,950.40/796,415.36 = 131,592/x
  3. Step 3: Cross multiply
    530,950.40x = 796,415.36 × 131,592
  4. Step 4: Simplify right side
    530,950.40x = 104,801,890,053.12
  5. Step 5: Solve for x
    x = 104,801,890,053.12/530,950.40
  6. Step 6: Final answer
    x = 197,385.46

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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.