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Finding the Fourth Proportional to 300,166.60, 449,666.70 and 166,808.20

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Solution

The fourth proportional to 300,166.60, 449,666.70 and 166,808.20 is: 249,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,166.60 : 449,666.70 = 166,808.20 : x
  2. Step 2: Convert to fraction form
    300,166.60/449,666.70 = 166,808.20/x
  3. Step 3: Cross multiply
    300,166.60x = 449,666.70 × 166,808.20
  4. Step 4: Simplify right side
    300,166.60x = 75,008,092,826.94
  5. Step 5: Solve for x
    x = 75,008,092,826.94/300,166.60
  6. Step 6: Final answer
    x = 249,888.20

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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.