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Finding the Fourth Proportional to 524,388.06, 786,363.39 and 164,466.18

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Solution

The fourth proportional to 524,388.06, 786,363.39 and 164,466.18 is: 246,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,388.06 : 786,363.39 = 164,466.18 : x
  2. Step 2: Convert to fraction form
    524,388.06/786,363.39 = 164,466.18/x
  3. Step 3: Cross multiply
    524,388.06x = 786,363.39 × 164,466.18
  4. Step 4: Simplify right side
    524,388.06x = 129,330,182,845.15
  5. Step 5: Solve for x
    x = 129,330,182,845.15/524,388.06
  6. Step 6: Final answer
    x = 246,630.68

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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.