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Finding the Fourth Proportional to 494,413.74, 740,857.28 and 333,860.44

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Solution

The fourth proportional to 494,413.74, 740,857.28 and 333,860.44 is: 500,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,413.74 : 740,857.28 = 333,860.44 : x
  2. Step 2: Convert to fraction form
    494,413.74/740,857.28 = 333,860.44/x
  3. Step 3: Cross multiply
    494,413.74x = 740,857.28 × 333,860.44
  4. Step 4: Simplify right side
    494,413.74x = 247,342,937,478.00
  5. Step 5: Solve for x
    x = 247,342,937,478.00/494,413.74
  6. Step 6: Final answer
    x = 500,275.21

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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.