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Finding the Fourth Proportional to 654,881.50, 982,485.75 and 228,423.46

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Solution

The fourth proportional to 654,881.50, 982,485.75 and 228,423.46 is: 342,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,881.50 : 982,485.75 = 228,423.46 : x
  2. Step 2: Convert to fraction form
    654,881.50/982,485.75 = 228,423.46/x
  3. Step 3: Cross multiply
    654,881.50x = 982,485.75 × 228,423.46
  4. Step 4: Simplify right side
    654,881.50x = 224,422,794,415.70
  5. Step 5: Solve for x
    x = 224,422,794,415.70/654,881.50
  6. Step 6: Final answer
    x = 342,692.22

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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.