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Finding the Fourth Proportional to 550,646.70, 825,775.65 and 195,672.30

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Solution

The fourth proportional to 550,646.70, 825,775.65 and 195,672.30 is: 293,439.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,646.70 : 825,775.65 = 195,672.30 : x
  2. Step 2: Convert to fraction form
    550,646.70/825,775.65 = 195,672.30/x
  3. Step 3: Cross multiply
    550,646.70x = 825,775.65 × 195,672.30
  4. Step 4: Simplify right side
    550,646.70x = 161,581,420,719.50
  5. Step 5: Solve for x
    x = 161,581,420,719.50/550,646.70
  6. Step 6: Final answer
    x = 293,439.37

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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.