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Finding the Fourth Proportional to 622,425.60, 933,638.40 and 567,313.20

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Solution

The fourth proportional to 622,425.60, 933,638.40 and 567,313.20 is: 850,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,425.60 : 933,638.40 = 567,313.20 : x
  2. Step 2: Convert to fraction form
    622,425.60/933,638.40 = 567,313.20/x
  3. Step 3: Cross multiply
    622,425.60x = 933,638.40 × 567,313.20
  4. Step 4: Simplify right side
    622,425.60x = 529,665,388,346.88
  5. Step 5: Solve for x
    x = 529,665,388,346.88/622,425.60
  6. Step 6: Final answer
    x = 850,969.80

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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.