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Finding the Fourth Proportional to 492,762.60, 739,143.90 and 333,330.30

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Solution

The fourth proportional to 492,762.60, 739,143.90 and 333,330.30 is: 499,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,762.60 : 739,143.90 = 333,330.30 : x
  2. Step 2: Convert to fraction form
    492,762.60/739,143.90 = 333,330.30/x
  3. Step 3: Cross multiply
    492,762.60x = 739,143.90 × 333,330.30
  4. Step 4: Simplify right side
    492,762.60x = 246,379,057,930.17
  5. Step 5: Solve for x
    x = 246,379,057,930.17/492,762.60
  6. Step 6: Final answer
    x = 499,995.45

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Similar ratio
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1.5x scale

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.