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Finding the Fourth Proportional to 567,353.60, 782,965.44 and 325,680.32

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Solution

The fourth proportional to 567,353.60, 782,965.44 and 325,680.32 is: 449,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,353.60 : 782,965.44 = 325,680.32 : x
  2. Step 2: Convert to fraction form
    567,353.60/782,965.44 = 325,680.32/x
  3. Step 3: Cross multiply
    567,353.60x = 782,965.44 × 325,680.32
  4. Step 4: Simplify right side
    567,353.60x = 254,996,435,048.14
  5. Step 5: Solve for x
    x = 254,996,435,048.14/567,353.60
  6. Step 6: Final answer
    x = 449,448.87

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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.