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Finding the Fourth Proportional to 459,081.90, 633,520.37 and 255,127.68

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Solution

The fourth proportional to 459,081.90, 633,520.37 and 255,127.68 is: 352,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,081.90 : 633,520.37 = 255,127.68 : x
  2. Step 2: Convert to fraction form
    459,081.90/633,520.37 = 255,127.68/x
  3. Step 3: Cross multiply
    459,081.90x = 633,520.37 × 255,127.68
  4. Step 4: Simplify right side
    459,081.90x = 161,628,582,868.66
  5. Step 5: Solve for x
    x = 161,628,582,868.66/459,081.90
  6. Step 6: Final answer
    x = 352,069.17

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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.