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Finding the Fourth Proportional to 567,527.20, 850,858.80 and 287,245.60

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Solution

The fourth proportional to 567,527.20, 850,858.80 and 287,245.60 is: 430,649.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,527.20 : 850,858.80 = 287,245.60 : x
  2. Step 2: Convert to fraction form
    567,527.20/850,858.80 = 287,245.60/x
  3. Step 3: Cross multiply
    567,527.20x = 850,858.80 × 287,245.60
  4. Step 4: Simplify right side
    567,527.20x = 244,405,446,521.28
  5. Step 5: Solve for x
    x = 244,405,446,521.28/567,527.20
  6. Step 6: Final answer
    x = 430,649.75

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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.