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Finding the Fourth Proportional to 317,385.83, 437,992.97 and 174,146.94

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Solution

The fourth proportional to 317,385.83, 437,992.97 and 174,146.94 is: 240,323.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,385.83 : 437,992.97 = 174,146.94 : x
  2. Step 2: Convert to fraction form
    317,385.83/437,992.97 = 174,146.94/x
  3. Step 3: Cross multiply
    317,385.83x = 437,992.97 × 174,146.94
  4. Step 4: Simplify right side
    317,385.83x = 76,275,134,596.28
  5. Step 5: Solve for x
    x = 76,275,134,596.28/317,385.83
  6. Step 6: Final answer
    x = 240,323.07

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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.