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Finding the Fourth Proportional to 610,499.53, 842,489.35 and 338,609.06

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Solution

The fourth proportional to 610,499.53, 842,489.35 and 338,609.06 is: 467,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,499.53 : 842,489.35 = 338,609.06 : x
  2. Step 2: Convert to fraction form
    610,499.53/842,489.35 = 338,609.06/x
  3. Step 3: Cross multiply
    610,499.53x = 842,489.35 × 338,609.06
  4. Step 4: Simplify right side
    610,499.53x = 285,274,526,868.55
  5. Step 5: Solve for x
    x = 285,274,526,868.55/610,499.53
  6. Step 6: Final answer
    x = 467,280.50

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