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Finding the Fourth Proportional to 459,295.89, 633,849.90 and 255,350.16

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Solution

The fourth proportional to 459,295.89, 633,849.90 and 255,350.16 is: 352,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,295.89 : 633,849.90 = 255,350.16 : x
  2. Step 2: Convert to fraction form
    459,295.89/633,849.90 = 255,350.16/x
  3. Step 3: Cross multiply
    459,295.89x = 633,849.90 × 255,350.16
  4. Step 4: Simplify right side
    459,295.89x = 161,853,673,380.98
  5. Step 5: Solve for x
    x = 161,853,673,380.98/459,295.89
  6. Step 6: Final answer
    x = 352,395.21

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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.