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Finding the Fourth Proportional to 522,046.20, 782,413.20 and 255,232.20

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Solution

The fourth proportional to 522,046.20, 782,413.20 and 255,232.20 is: 382,527.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,046.20 : 782,413.20 = 255,232.20 : x
  2. Step 2: Convert to fraction form
    522,046.20/782,413.20 = 255,232.20/x
  3. Step 3: Cross multiply
    522,046.20x = 782,413.20 × 255,232.20
  4. Step 4: Simplify right side
    522,046.20x = 199,697,042,345.04
  5. Step 5: Solve for x
    x = 199,697,042,345.04/522,046.20
  6. Step 6: Final answer
    x = 382,527.53

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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.