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Finding the Fourth Proportional to 650,991.60, 897,768.90 and 446,682.06

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Solution

The fourth proportional to 650,991.60, 897,768.90 and 446,682.06 is: 616,009.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,991.60 : 897,768.90 = 446,682.06 : x
  2. Step 2: Convert to fraction form
    650,991.60/897,768.90 = 446,682.06/x
  3. Step 3: Cross multiply
    650,991.60x = 897,768.90 × 446,682.06
  4. Step 4: Simplify right side
    650,991.60x = 401,017,261,655.93
  5. Step 5: Solve for x
    x = 401,017,261,655.93/650,991.60
  6. Step 6: Final answer
    x = 616,009.89

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Why These Related Problems?

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