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Finding the Fourth Proportional to 447,051.98, 616,919.43 and 245,847.98

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Solution

The fourth proportional to 447,051.98, 616,919.43 and 245,847.98 is: 339,263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,051.98 : 616,919.43 = 245,847.98 : x
  2. Step 2: Convert to fraction form
    447,051.98/616,919.43 = 245,847.98/x
  3. Step 3: Cross multiply
    447,051.98x = 616,919.43 × 245,847.98
  4. Step 4: Simplify right side
    447,051.98x = 151,668,395,688.25
  5. Step 5: Solve for x
    x = 151,668,395,688.25/447,051.98
  6. Step 6: Final answer
    x = 339,263.45

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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.