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Finding the Fourth Proportional to 533,458.22, 800,403.60 and 233,780.90

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Solution

The fourth proportional to 533,458.22, 800,403.60 and 233,780.90 is: 350,766.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,458.22 : 800,403.60 = 233,780.90 : x
  2. Step 2: Convert to fraction form
    533,458.22/800,403.60 = 233,780.90/x
  3. Step 3: Cross multiply
    533,458.22x = 800,403.60 × 233,780.90
  4. Step 4: Simplify right side
    533,458.22x = 187,119,069,969.22
  5. Step 5: Solve for x
    x = 187,119,069,969.22/533,458.22
  6. Step 6: Final answer
    x = 350,766.12

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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.