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Finding the Fourth Proportional to 459,367.83, 689,191.62 and 234,885.96

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Solution

The fourth proportional to 459,367.83, 689,191.62 and 234,885.96 is: 352,400.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,367.83 : 689,191.62 = 234,885.96 : x
  2. Step 2: Convert to fraction form
    459,367.83/689,191.62 = 234,885.96/x
  3. Step 3: Cross multiply
    459,367.83x = 689,191.62 × 234,885.96
  4. Step 4: Simplify right side
    459,367.83x = 161,881,435,287.66
  5. Step 5: Solve for x
    x = 161,881,435,287.66/459,367.83
  6. Step 6: Final answer
    x = 352,400.46

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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.