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Finding the Fourth Proportional to 492,334.58, 738,501.96 and 155,401.47

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Solution

The fourth proportional to 492,334.58, 738,501.96 and 155,401.47 is: 233,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,334.58 : 738,501.96 = 155,401.47 : x
  2. Step 2: Convert to fraction form
    492,334.58/738,501.96 = 155,401.47/x
  3. Step 3: Cross multiply
    492,334.58x = 738,501.96 × 155,401.47
  4. Step 4: Simplify right side
    492,334.58x = 114,764,290,181.88
  5. Step 5: Solve for x
    x = 114,764,290,181.88/492,334.58
  6. Step 6: Final answer
    x = 233,102.24

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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.