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Finding the Fourth Proportional to 366,835.40, 550,253.10 and 117,542.60

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Solution

The fourth proportional to 366,835.40, 550,253.10 and 117,542.60 is: 176,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,835.40 : 550,253.10 = 117,542.60 : x
  2. Step 2: Convert to fraction form
    366,835.40/550,253.10 = 117,542.60/x
  3. Step 3: Cross multiply
    366,835.40x = 550,253.10 × 117,542.60
  4. Step 4: Simplify right side
    366,835.40x = 64,678,180,032.06
  5. Step 5: Solve for x
    x = 64,678,180,032.06/366,835.40
  6. Step 6: Final answer
    x = 176,313.90

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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.