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Finding the Fourth Proportional to 317,179.50, 437,667.48 and 173,901.84

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Solution

The fourth proportional to 317,179.50, 437,667.48 and 173,901.84 is: 239,962.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,179.50 : 437,667.48 = 173,901.84 : x
  2. Step 2: Convert to fraction form
    317,179.50/437,667.48 = 173,901.84/x
  3. Step 3: Cross multiply
    317,179.50x = 437,667.48 × 173,901.84
  4. Step 4: Simplify right side
    317,179.50x = 76,111,180,080.16
  5. Step 5: Solve for x
    x = 76,111,180,080.16/317,179.50
  6. Step 6: Final answer
    x = 239,962.48

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1.5x scale

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.