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Finding the Fourth Proportional to 454,507.80, 680,770.26 and 374,726.04

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Solution

The fourth proportional to 454,507.80, 680,770.26 and 374,726.04 is: 561,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,507.80 : 680,770.26 = 374,726.04 : x
  2. Step 2: Convert to fraction form
    454,507.80/680,770.26 = 374,726.04/x
  3. Step 3: Cross multiply
    454,507.80x = 680,770.26 × 374,726.04
  4. Step 4: Simplify right side
    454,507.80x = 255,102,343,679.57
  5. Step 5: Solve for x
    x = 255,102,343,679.57/454,507.80
  6. Step 6: Final answer
    x = 561,271.65

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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.