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Finding the Fourth Proportional to 337,674.40, 506,511.60 and 258,942.40

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Solution

The fourth proportional to 337,674.40, 506,511.60 and 258,942.40 is: 388,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,674.40 : 506,511.60 = 258,942.40 : x
  2. Step 2: Convert to fraction form
    337,674.40/506,511.60 = 258,942.40/x
  3. Step 3: Cross multiply
    337,674.40x = 506,511.60 × 258,942.40
  4. Step 4: Simplify right side
    337,674.40x = 131,157,329,331.84
  5. Step 5: Solve for x
    x = 131,157,329,331.84/337,674.40
  6. Step 6: Final answer
    x = 388,413.60

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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.