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Finding the Fourth Proportional to 492,536.09, 738,846.06 and 155,486.59

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Solution

The fourth proportional to 492,536.09, 738,846.06 and 155,486.59 is: 233,243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,536.09 : 738,846.06 = 155,486.59 : x
  2. Step 2: Convert to fraction form
    492,536.09/738,846.06 = 155,486.59/x
  3. Step 3: Cross multiply
    492,536.09x = 738,846.06 × 155,486.59
  4. Step 4: Simplify right side
    492,536.09x = 114,880,651,974.15
  5. Step 5: Solve for x
    x = 114,880,651,974.15/492,536.09
  6. Step 6: Final answer
    x = 233,243.11

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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.