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Finding the Fourth Proportional to 459,459.48, 633,961.17 and 268,435.97

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Solution

The fourth proportional to 459,459.48, 633,961.17 and 268,435.97 is: 370,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,459.48 : 633,961.17 = 268,435.97 : x
  2. Step 2: Convert to fraction form
    459,459.48/633,961.17 = 268,435.97/x
  3. Step 3: Cross multiply
    459,459.48x = 633,961.17 × 268,435.97
  4. Step 4: Simplify right side
    459,459.48x = 170,177,978,441.48
  5. Step 5: Solve for x
    x = 170,177,978,441.48/459,459.48
  6. Step 6: Final answer
    x = 370,387.35

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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.