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Finding the Fourth Proportional to 471,253.53, 706,945.95 and 151,415.04

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Solution

The fourth proportional to 471,253.53, 706,945.95 and 151,415.04 is: 227,143.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,253.53 : 706,945.95 = 151,415.04 : x
  2. Step 2: Convert to fraction form
    471,253.53/706,945.95 = 151,415.04/x
  3. Step 3: Cross multiply
    471,253.53x = 706,945.95 × 151,415.04
  4. Step 4: Simplify right side
    471,253.53x = 107,042,249,297.09
  5. Step 5: Solve for x
    x = 107,042,249,297.09/471,253.53
  6. Step 6: Final answer
    x = 227,143.66

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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.