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Finding the Fourth Proportional to 393,181.34, 589,340.30 and 224,333.54

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Solution

The fourth proportional to 393,181.34, 589,340.30 and 224,333.54 is: 336,254.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,181.34 : 589,340.30 = 224,333.54 : x
  2. Step 2: Convert to fraction form
    393,181.34/589,340.30 = 224,333.54/x
  3. Step 3: Cross multiply
    393,181.34x = 589,340.30 × 224,333.54
  4. Step 4: Simplify right side
    393,181.34x = 132,208,796,115.35
  5. Step 5: Solve for x
    x = 132,208,796,115.35/393,181.34
  6. Step 6: Final answer
    x = 336,254.00

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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.