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Finding the Fourth Proportional to 459,363.27, 689,184.79 and 234,881.39

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Solution

The fourth proportional to 459,363.27, 689,184.79 and 234,881.39 is: 352,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,363.27 : 689,184.79 = 234,881.39 : x
  2. Step 2: Convert to fraction form
    459,363.27/689,184.79 = 234,881.39/x
  3. Step 3: Cross multiply
    459,363.27x = 689,184.79 × 234,881.39
  4. Step 4: Simplify right side
    459,363.27x = 161,876,682,577.82
  5. Step 5: Solve for x
    x = 161,876,682,577.82/459,363.27
  6. Step 6: Final answer
    x = 352,393.61

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1.5x scale

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.