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Finding the Fourth Proportional to 329,068.30, 453,881.46 and 214,135.39

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Solution

The fourth proportional to 329,068.30, 453,881.46 and 214,135.39 is: 295,355.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,068.30 : 453,881.46 = 214,135.39 : x
  2. Step 2: Convert to fraction form
    329,068.30/453,881.46 = 214,135.39/x
  3. Step 3: Cross multiply
    329,068.30x = 453,881.46 × 214,135.39
  4. Step 4: Simplify right side
    329,068.30x = 97,192,083,450.87
  5. Step 5: Solve for x
    x = 97,192,083,450.87/329,068.30
  6. Step 6: Final answer
    x = 295,355.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.