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Finding the Fourth Proportional to 492,518.46, 738,777.89 and 118,541.46

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Solution

The fourth proportional to 492,518.46, 738,777.89 and 118,541.46 is: 177,812.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,518.46 : 738,777.89 = 118,541.46 : x
  2. Step 2: Convert to fraction form
    492,518.46/738,777.89 = 118,541.46/x
  3. Step 3: Cross multiply
    492,518.46x = 738,777.89 × 118,541.46
  4. Step 4: Simplify right side
    492,518.46x = 87,575,809,992.67
  5. Step 5: Solve for x
    x = 87,575,809,992.67/492,518.46
  6. Step 6: Final answer
    x = 177,812.24

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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.