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Finding the Fourth Proportional to 459,366.35, 689,189.37 and 234,884.46

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Solution

The fourth proportional to 459,366.35, 689,189.37 and 234,884.46 is: 352,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,366.35 : 689,189.37 = 234,884.46 : x
  2. Step 2: Convert to fraction form
    459,366.35/689,189.37 = 234,884.46/x
  3. Step 3: Cross multiply
    459,366.35x = 689,189.37 × 234,884.46
  4. Step 4: Simplify right side
    459,366.35x = 161,879,873,010.19
  5. Step 5: Solve for x
    x = 161,879,873,010.19/459,366.35
  6. Step 6: Final answer
    x = 352,398.20

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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.