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Finding the Fourth Proportional to 468,673.30, 646,765.92 and 253,808.44

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Solution

The fourth proportional to 468,673.30, 646,765.92 and 253,808.44 is: 350,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,673.30 : 646,765.92 = 253,808.44 : x
  2. Step 2: Convert to fraction form
    468,673.30/646,765.92 = 253,808.44/x
  3. Step 3: Cross multiply
    468,673.30x = 646,765.92 × 253,808.44
  4. Step 4: Simplify right side
    468,673.30x = 164,154,649,200.37
  5. Step 5: Solve for x
    x = 164,154,649,200.37/468,673.30
  6. Step 6: Final answer
    x = 350,253.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.