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Finding the Fourth Proportional to 662,442.40, 993,793.20 and 283,362.40

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Solution

The fourth proportional to 662,442.40, 993,793.20 and 283,362.40 is: 425,099.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,442.40 : 993,793.20 = 283,362.40 : x
  2. Step 2: Convert to fraction form
    662,442.40/993,793.20 = 283,362.40/x
  3. Step 3: Cross multiply
    662,442.40x = 993,793.20 × 283,362.40
  4. Step 4: Simplify right side
    662,442.40x = 281,603,626,255.68
  5. Step 5: Solve for x
    x = 281,603,626,255.68/662,442.40
  6. Step 6: Final answer
    x = 425,099.04

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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.