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Finding the Fourth Proportional to 317,276.37, 437,855.13 and 189,927.33

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Solution

The fourth proportional to 317,276.37, 437,855.13 and 189,927.33 is: 262,107.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,276.37 : 437,855.13 = 189,927.33 : x
  2. Step 2: Convert to fraction form
    317,276.37/437,855.13 = 189,927.33/x
  3. Step 3: Cross multiply
    317,276.37x = 437,855.13 × 189,927.33
  4. Step 4: Simplify right side
    317,276.37x = 83,160,655,767.70
  5. Step 5: Solve for x
    x = 83,160,655,767.70/317,276.37
  6. Step 6: Final answer
    x = 262,107.94

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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.