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Finding the Fourth Proportional to 603,741.68, 833,109.30 and 331,806.60

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Solution

The fourth proportional to 603,741.68, 833,109.30 and 331,806.60 is: 457,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,741.68 : 833,109.30 = 331,806.60 : x
  2. Step 2: Convert to fraction form
    603,741.68/833,109.30 = 331,806.60/x
  3. Step 3: Cross multiply
    603,741.68x = 833,109.30 × 331,806.60
  4. Step 4: Simplify right side
    603,741.68x = 276,431,164,261.38
  5. Step 5: Solve for x
    x = 276,431,164,261.38/603,741.68
  6. Step 6: Final answer
    x = 457,863.31

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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.