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Finding the Fourth Proportional to 317,176.54, 437,709.64 and 173,928.04

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Solution

The fourth proportional to 317,176.54, 437,709.64 and 173,928.04 is: 240,023.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,176.54 : 437,709.64 = 173,928.04 : x
  2. Step 2: Convert to fraction form
    317,176.54/437,709.64 = 173,928.04/x
  3. Step 3: Cross multiply
    317,176.54x = 437,709.64 × 173,928.04
  4. Step 4: Simplify right side
    317,176.54x = 76,129,979,774.31
  5. Step 5: Solve for x
    x = 76,129,979,774.31/317,176.54
  6. Step 6: Final answer
    x = 240,023.99

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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.