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Finding the Fourth Proportional to 317,382.27, 437,995.58 and 174,142.27

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Solution

The fourth proportional to 317,382.27, 437,995.58 and 174,142.27 is: 240,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,382.27 : 437,995.58 = 174,142.27 : x
  2. Step 2: Convert to fraction form
    317,382.27/437,995.58 = 174,142.27/x
  3. Step 3: Cross multiply
    317,382.27x = 437,995.58 × 174,142.27
  4. Step 4: Simplify right side
    317,382.27x = 76,273,545,534.02
  5. Step 5: Solve for x
    x = 76,273,545,534.02/317,382.27
  6. Step 6: Final answer
    x = 240,320.75

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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.