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Finding the Fourth Proportional to 479,893.36, 719,878.32 and 164,353

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Solution

The fourth proportional to 479,893.36, 719,878.32 and 164,353 is: 246,542.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,893.36 : 719,878.32 = 164,353 : x
  2. Step 2: Convert to fraction form
    479,893.36/719,878.32 = 164,353/x
  3. Step 3: Cross multiply
    479,893.36x = 719,878.32 × 164,353
  4. Step 4: Simplify right side
    479,893.36x = 118,314,161,526.96
  5. Step 5: Solve for x
    x = 118,314,161,526.96/479,893.36
  6. Step 6: Final answer
    x = 246,542.61

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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.