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Finding the Fourth Proportional to 329,582.68, 454,010.63 and 281,026.58

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Solution

The fourth proportional to 329,582.68, 454,010.63 and 281,026.58 is: 387,123.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,582.68 : 454,010.63 = 281,026.58 : x
  2. Step 2: Convert to fraction form
    329,582.68/454,010.63 = 281,026.58/x
  3. Step 3: Cross multiply
    329,582.68x = 454,010.63 × 281,026.58
  4. Step 4: Simplify right side
    329,582.68x = 127,589,054,200.09
  5. Step 5: Solve for x
    x = 127,589,054,200.09/329,582.68
  6. Step 6: Final answer
    x = 387,123.06

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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.