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Finding the Fourth Proportional to 228,826.80, 343,240.20 and 60,346.80

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Solution

The fourth proportional to 228,826.80, 343,240.20 and 60,346.80 is: 90,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,826.80 : 343,240.20 = 60,346.80 : x
  2. Step 2: Convert to fraction form
    228,826.80/343,240.20 = 60,346.80/x
  3. Step 3: Cross multiply
    228,826.80x = 343,240.20 × 60,346.80
  4. Step 4: Simplify right side
    228,826.80x = 20,713,447,701.36
  5. Step 5: Solve for x
    x = 20,713,447,701.36/228,826.80
  6. Step 6: Final answer
    x = 90,520.20

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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.