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Finding the Fourth Proportional to 459,366.72, 689,189.94 and 234,884.83

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Solution

The fourth proportional to 459,366.72, 689,189.94 and 234,884.83 is: 352,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,366.72 : 689,189.94 = 234,884.83 : x
  2. Step 2: Convert to fraction form
    459,366.72/689,189.94 = 234,884.83/x
  3. Step 3: Cross multiply
    459,366.72x = 689,189.94 × 234,884.83
  4. Step 4: Simplify right side
    459,366.72x = 161,880,261,894.61
  5. Step 5: Solve for x
    x = 161,880,261,894.61/459,366.72
  6. Step 6: Final answer
    x = 352,398.76

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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.