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Finding the Fourth Proportional to 401,307.58, 601,912.14 and 232,919.50

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Solution

The fourth proportional to 401,307.58, 601,912.14 and 232,919.50 is: 349,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,307.58 : 601,912.14 = 232,919.50 : x
  2. Step 2: Convert to fraction form
    401,307.58/601,912.14 = 232,919.50/x
  3. Step 3: Cross multiply
    401,307.58x = 601,912.14 × 232,919.50
  4. Step 4: Simplify right side
    401,307.58x = 140,197,074,692.73
  5. Step 5: Solve for x
    x = 140,197,074,692.73/401,307.58
  6. Step 6: Final answer
    x = 349,350.68

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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.