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Finding the Fourth Proportional to 228,813.80, 343,220.70 and 60,333.80

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Solution

The fourth proportional to 228,813.80, 343,220.70 and 60,333.80 is: 90,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,813.80 : 343,220.70 = 60,333.80 : x
  2. Step 2: Convert to fraction form
    228,813.80/343,220.70 = 60,333.80/x
  3. Step 3: Cross multiply
    228,813.80x = 343,220.70 × 60,333.80
  4. Step 4: Simplify right side
    228,813.80x = 20,707,809,069.66
  5. Step 5: Solve for x
    x = 20,707,809,069.66/228,813.80
  6. Step 6: Final answer
    x = 90,500.70

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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.