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Finding the Fourth Proportional to 317,182.50, 437,671.62 and 173,904.84

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Solution

The fourth proportional to 317,182.50, 437,671.62 and 173,904.84 is: 239,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,182.50 : 437,671.62 = 173,904.84 : x
  2. Step 2: Convert to fraction form
    317,182.50/437,671.62 = 173,904.84/x
  3. Step 3: Cross multiply
    317,182.50x = 437,671.62 × 173,904.84
  4. Step 4: Simplify right side
    317,182.50x = 76,113,213,048.64
  5. Step 5: Solve for x
    x = 76,113,213,048.64/317,182.50
  6. Step 6: Final answer
    x = 239,966.62

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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.