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Finding the Fourth Proportional to 433,903.20, 598,768.80 and 252,620.40

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Solution

The fourth proportional to 433,903.20, 598,768.80 and 252,620.40 is: 348,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,903.20 : 598,768.80 = 252,620.40 : x
  2. Step 2: Convert to fraction form
    433,903.20/598,768.80 = 252,620.40/x
  3. Step 3: Cross multiply
    433,903.20x = 598,768.80 × 252,620.40
  4. Step 4: Simplify right side
    433,903.20x = 151,261,213,763.52
  5. Step 5: Solve for x
    x = 151,261,213,763.52/433,903.20
  6. Step 6: Final answer
    x = 348,605.90

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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.