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Finding the Fourth Proportional to 317,205.94, 437,744.72 and 173,966.86

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Solution

The fourth proportional to 317,205.94, 437,744.72 and 173,966.86 is: 240,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,205.94 : 437,744.72 = 173,966.86 : x
  2. Step 2: Convert to fraction form
    317,205.94/437,744.72 = 173,966.86/x
  3. Step 3: Cross multiply
    317,205.94x = 437,744.72 × 173,966.86
  4. Step 4: Simplify right side
    317,205.94x = 76,153,074,419.98
  5. Step 5: Solve for x
    x = 76,153,074,419.98/317,205.94
  6. Step 6: Final answer
    x = 240,074.55

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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.