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Finding the Fourth Proportional to 418,674.96, 577,558.42 and 273,565.57

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Solution

The fourth proportional to 418,674.96, 577,558.42 and 273,565.57 is: 377,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,674.96 : 577,558.42 = 273,565.57 : x
  2. Step 2: Convert to fraction form
    418,674.96/577,558.42 = 273,565.57/x
  3. Step 3: Cross multiply
    418,674.96x = 577,558.42 × 273,565.57
  4. Step 4: Simplify right side
    418,674.96x = 158,000,098,375.60
  5. Step 5: Solve for x
    x = 158,000,098,375.60/418,674.96
  6. Step 6: Final answer
    x = 377,381.29

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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.