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Finding the Fourth Proportional to 298,017.90, 411,262.47 and 162,051.94

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Solution

The fourth proportional to 298,017.90, 411,262.47 and 162,051.94 is: 223,630.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,017.90 : 411,262.47 = 162,051.94 : x
  2. Step 2: Convert to fraction form
    298,017.90/411,262.47 = 162,051.94/x
  3. Step 3: Cross multiply
    298,017.90x = 411,262.47 × 162,051.94
  4. Step 4: Simplify right side
    298,017.90x = 66,645,881,112.69
  5. Step 5: Solve for x
    x = 66,645,881,112.69/298,017.90
  6. Step 6: Final answer
    x = 223,630.46

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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.