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Finding the Fourth Proportional to 459,453.36, 633,952.68 and 268,429.80

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Solution

The fourth proportional to 459,453.36, 633,952.68 and 268,429.80 is: 370,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,453.36 : 633,952.68 = 268,429.80 : x
  2. Step 2: Convert to fraction form
    459,453.36/633,952.68 = 268,429.80/x
  3. Step 3: Cross multiply
    459,453.36x = 633,952.68 × 268,429.80
  4. Step 4: Simplify right side
    459,453.36x = 170,171,791,101.86
  5. Step 5: Solve for x
    x = 170,171,791,101.86/459,453.36
  6. Step 6: Final answer
    x = 370,378.82

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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.