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Finding the Fourth Proportional to 533,336.52, 735,990.26 and 315,556.44

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Solution

The fourth proportional to 533,336.52, 735,990.26 and 315,556.44 is: 435,459.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,336.52 : 735,990.26 = 315,556.44 : x
  2. Step 2: Convert to fraction form
    533,336.52/735,990.26 = 315,556.44/x
  3. Step 3: Cross multiply
    533,336.52x = 735,990.26 × 315,556.44
  4. Step 4: Simplify right side
    533,336.52x = 232,246,466,320.27
  5. Step 5: Solve for x
    x = 232,246,466,320.27/533,336.52
  6. Step 6: Final answer
    x = 435,459.52

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Similar ratio
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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.