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Finding the Fourth Proportional to 437,246.75, 654,388.70 and 268,873.71

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Solution

The fourth proportional to 437,246.75, 654,388.70 and 268,873.71 is: 402,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,246.75 : 654,388.70 = 268,873.71 : x
  2. Step 2: Convert to fraction form
    437,246.75/654,388.70 = 268,873.71/x
  3. Step 3: Cross multiply
    437,246.75x = 654,388.70 × 268,873.71
  4. Step 4: Simplify right side
    437,246.75x = 175,947,916,206.71
  5. Step 5: Solve for x
    x = 175,947,916,206.71/437,246.75
  6. Step 6: Final answer
    x = 402,399.60

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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.