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Finding the Fourth Proportional to 456,300.48, 683,880.48 and 219,579.60

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Solution

The fourth proportional to 456,300.48, 683,880.48 and 219,579.60 is: 329,094.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,300.48 : 683,880.48 = 219,579.60 : x
  2. Step 2: Convert to fraction form
    456,300.48/683,880.48 = 219,579.60/x
  3. Step 3: Cross multiply
    456,300.48x = 683,880.48 × 219,579.60
  4. Step 4: Simplify right side
    456,300.48x = 150,166,202,246.21
  5. Step 5: Solve for x
    x = 150,166,202,246.21/456,300.48
  6. Step 6: Final answer
    x = 329,094.99

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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.