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Finding the Fourth Proportional to 329,051.80, 459,739.40 and 329,051.80

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Solution

The fourth proportional to 329,051.80, 459,739.40 and 329,051.80 is: 459,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,051.80 : 459,739.40 = 329,051.80 : x
  2. Step 2: Convert to fraction form
    329,051.80/459,739.40 = 329,051.80/x
  3. Step 3: Cross multiply
    329,051.80x = 459,739.40 × 329,051.80
  4. Step 4: Simplify right side
    329,051.80x = 151,278,077,100.92
  5. Step 5: Solve for x
    x = 151,278,077,100.92/329,051.80
  6. Step 6: Final answer
    x = 459,739.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.