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Finding the Fourth Proportional to 337,639.73, 468,073.72 and 319,662.59

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Solution

The fourth proportional to 337,639.73, 468,073.72 and 319,662.59 is: 443,151.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,639.73 : 468,073.72 = 319,662.59 : x
  2. Step 2: Convert to fraction form
    337,639.73/468,073.72 = 319,662.59/x
  3. Step 3: Cross multiply
    337,639.73x = 468,073.72 × 319,662.59
  4. Step 4: Simplify right side
    337,639.73x = 149,625,655,705.34
  5. Step 5: Solve for x
    x = 149,625,655,705.34/337,639.73
  6. Step 6: Final answer
    x = 443,151.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.