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Finding the Fourth Proportional to 304,770.90, 425,629.50 and 304,770.90

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Solution

The fourth proportional to 304,770.90, 425,629.50 and 304,770.90 is: 425,629.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,770.90 : 425,629.50 = 304,770.90 : x
  2. Step 2: Convert to fraction form
    304,770.90/425,629.50 = 304,770.90/x
  3. Step 3: Cross multiply
    304,770.90x = 425,629.50 × 304,770.90
  4. Step 4: Simplify right side
    304,770.90x = 129,719,485,781.55
  5. Step 5: Solve for x
    x = 129,719,485,781.55/304,770.90
  6. Step 6: Final answer
    x = 425,629.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.