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Finding the Fourth Proportional to 400,835.59, 601,292.97 and 116,528.76

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Solution

The fourth proportional to 400,835.59, 601,292.97 and 116,528.76 is: 174,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,835.59 : 601,292.97 = 116,528.76 : x
  2. Step 2: Convert to fraction form
    400,835.59/601,292.97 = 116,528.76/x
  3. Step 3: Cross multiply
    400,835.59x = 601,292.97 × 116,528.76
  4. Step 4: Simplify right side
    400,835.59x = 70,067,924,190.82
  5. Step 5: Solve for x
    x = 70,067,924,190.82/400,835.59
  6. Step 6: Final answer
    x = 174,804.65

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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.