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Finding the Fourth Proportional to 433,309.80, 650,348.70 and 255,594.60

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Solution

The fourth proportional to 433,309.80, 650,348.70 and 255,594.60 is: 383,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,309.80 : 650,348.70 = 255,594.60 : x
  2. Step 2: Convert to fraction form
    433,309.80/650,348.70 = 255,594.60/x
  3. Step 3: Cross multiply
    433,309.80x = 650,348.70 × 255,594.60
  4. Step 4: Simplify right side
    433,309.80x = 166,225,615,837.02
  5. Step 5: Solve for x
    x = 166,225,615,837.02/433,309.80
  6. Step 6: Final answer
    x = 383,618.41

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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.