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Finding the Fourth Proportional to 317,260.88, 437,820.66 and 174,022.12

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Solution

The fourth proportional to 317,260.88, 437,820.66 and 174,022.12 is: 240,150.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,260.88 : 437,820.66 = 174,022.12 : x
  2. Step 2: Convert to fraction form
    317,260.88/437,820.66 = 174,022.12/x
  3. Step 3: Cross multiply
    317,260.88x = 437,820.66 × 174,022.12
  4. Step 4: Simplify right side
    317,260.88x = 76,190,479,433.00
  5. Step 5: Solve for x
    x = 76,190,479,433.00/317,260.88
  6. Step 6: Final answer
    x = 240,150.88

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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.