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Finding the Fourth Proportional to 493,529.90, 740,589.80 and 453,376.58

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Solution

The fourth proportional to 493,529.90, 740,589.80 and 453,376.58 is: 680,335.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,529.90 : 740,589.80 = 453,376.58 : x
  2. Step 2: Convert to fraction form
    493,529.90/740,589.80 = 453,376.58/x
  3. Step 3: Cross multiply
    493,529.90x = 740,589.80 × 453,376.58
  4. Step 4: Simplify right side
    493,529.90x = 335,766,070,291.48
  5. Step 5: Solve for x
    x = 335,766,070,291.48/493,529.90
  6. Step 6: Final answer
    x = 680,335.82

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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.