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Finding the Fourth Proportional to 433,355.40, 598,012.20 and 252,067.68

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Solution

The fourth proportional to 433,355.40, 598,012.20 and 252,067.68 is: 347,842.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,355.40 : 598,012.20 = 252,067.68 : x
  2. Step 2: Convert to fraction form
    433,355.40/598,012.20 = 252,067.68/x
  3. Step 3: Cross multiply
    433,355.40x = 598,012.20 × 252,067.68
  4. Step 4: Simplify right side
    433,355.40x = 150,739,547,865.70
  5. Step 5: Solve for x
    x = 150,739,547,865.70/433,355.40
  6. Step 6: Final answer
    x = 347,842.78

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1.5x scale

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.