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Finding the Fourth Proportional to 453,913.50, 680,673.30 and 154,313.60

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Solution

The fourth proportional to 453,913.50, 680,673.30 and 154,313.60 is: 231,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,913.50 : 680,673.30 = 154,313.60 : x
  2. Step 2: Convert to fraction form
    453,913.50/680,673.30 = 154,313.60/x
  3. Step 3: Cross multiply
    453,913.50x = 680,673.30 × 154,313.60
  4. Step 4: Simplify right side
    453,913.50x = 105,037,147,346.88
  5. Step 5: Solve for x
    x = 105,037,147,346.88/453,913.50
  6. Step 6: Final answer
    x = 231,403.44

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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.