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Finding the Fourth Proportional to 533,900.48, 736,782.56 and 292,183.20

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Solution

The fourth proportional to 533,900.48, 736,782.56 and 292,183.20 is: 403,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,900.48 : 736,782.56 = 292,183.20 : x
  2. Step 2: Convert to fraction form
    533,900.48/736,782.56 = 292,183.20/x
  3. Step 3: Cross multiply
    533,900.48x = 736,782.56 × 292,183.20
  4. Step 4: Simplify right side
    533,900.48x = 215,275,486,084.99
  5. Step 5: Solve for x
    x = 215,275,486,084.99/533,900.48
  6. Step 6: Final answer
    x = 403,212.76

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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.