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Finding the Fourth Proportional to 466,220.80, 643,383.78 and 262,271.88

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Solution

The fourth proportional to 466,220.80, 643,383.78 and 262,271.88 is: 361,934.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,220.80 : 643,383.78 = 262,271.88 : x
  2. Step 2: Convert to fraction form
    466,220.80/643,383.78 = 262,271.88/x
  3. Step 3: Cross multiply
    466,220.80x = 643,383.78 × 262,271.88
  4. Step 4: Simplify right side
    466,220.80x = 168,741,473,542.11
  5. Step 5: Solve for x
    x = 168,741,473,542.11/466,220.80
  6. Step 6: Final answer
    x = 361,934.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.