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Finding the Fourth Proportional to 317,230.40, 437,793.99 and 174,003.77

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Solution

The fourth proportional to 317,230.40, 437,793.99 and 174,003.77 is: 240,134.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,230.40 : 437,793.99 = 174,003.77 : x
  2. Step 2: Convert to fraction form
    317,230.40/437,793.99 = 174,003.77/x
  3. Step 3: Cross multiply
    317,230.40x = 437,793.99 × 174,003.77
  4. Step 4: Simplify right side
    317,230.40x = 76,177,804,743.34
  5. Step 5: Solve for x
    x = 76,177,804,743.34/317,230.40
  6. Step 6: Final answer
    x = 240,134.00

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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.