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Finding the Fourth Proportional to 493,233.40, 739,850.10 and 440,745.40

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Solution

The fourth proportional to 493,233.40, 739,850.10 and 440,745.40 is: 661,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,233.40 : 739,850.10 = 440,745.40 : x
  2. Step 2: Convert to fraction form
    493,233.40/739,850.10 = 440,745.40/x
  3. Step 3: Cross multiply
    493,233.40x = 739,850.10 × 440,745.40
  4. Step 4: Simplify right side
    493,233.40x = 326,085,528,264.54
  5. Step 5: Solve for x
    x = 326,085,528,264.54/493,233.40
  6. Step 6: Final answer
    x = 661,118.10

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Similar ratio
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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.