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Finding the Fourth Proportional to 317,682.38, 476,203.71 and 140,158.12

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Solution

The fourth proportional to 317,682.38, 476,203.71 and 140,158.12 is: 210,096.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,682.38 : 476,203.71 = 140,158.12 : x
  2. Step 2: Convert to fraction form
    317,682.38/476,203.71 = 140,158.12/x
  3. Step 3: Cross multiply
    317,682.38x = 476,203.71 × 140,158.12
  4. Step 4: Simplify right side
    317,682.38x = 66,743,817,509.52
  5. Step 5: Solve for x
    x = 66,743,817,509.52/317,682.38
  6. Step 6: Final answer
    x = 210,096.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.