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Finding the Fourth Proportional to 656,692.80, 982,852.20 and 476,265.30

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Solution

The fourth proportional to 656,692.80, 982,852.20 and 476,265.30 is: 712,811.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,692.80 : 982,852.20 = 476,265.30 : x
  2. Step 2: Convert to fraction form
    656,692.80/982,852.20 = 476,265.30/x
  3. Step 3: Cross multiply
    656,692.80x = 982,852.20 × 476,265.30
  4. Step 4: Simplify right side
    656,692.80x = 468,098,397,888.66
  5. Step 5: Solve for x
    x = 468,098,397,888.66/656,692.80
  6. Step 6: Final answer
    x = 712,811.83

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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.