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Finding the Fourth Proportional to 433,512.30, 650,268.45 and 223,560.30

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Solution

The fourth proportional to 433,512.30, 650,268.45 and 223,560.30 is: 335,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,512.30 : 650,268.45 = 223,560.30 : x
  2. Step 2: Convert to fraction form
    433,512.30/650,268.45 = 223,560.30/x
  3. Step 3: Cross multiply
    433,512.30x = 650,268.45 × 223,560.30
  4. Step 4: Simplify right side
    433,512.30x = 145,374,209,762.54
  5. Step 5: Solve for x
    x = 145,374,209,762.54/433,512.30
  6. Step 6: Final answer
    x = 335,340.45

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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.