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Finding the Fourth Proportional to 600,247.60, 828,413.16 and 345,648.40

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Solution

The fourth proportional to 600,247.60, 828,413.16 and 345,648.40 is: 477,035.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,247.60 : 828,413.16 = 345,648.40 : x
  2. Step 2: Convert to fraction form
    600,247.60/828,413.16 = 345,648.40/x
  3. Step 3: Cross multiply
    600,247.60x = 828,413.16 × 345,648.40
  4. Step 4: Simplify right side
    600,247.60x = 286,339,683,292.94
  5. Step 5: Solve for x
    x = 286,339,683,292.94/600,247.60
  6. Step 6: Final answer
    x = 477,035.95

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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.