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Finding the Fourth Proportional to 363,881.70, 545,822.55 and 325,827.90

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Solution

The fourth proportional to 363,881.70, 545,822.55 and 325,827.90 is: 488,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,881.70 : 545,822.55 = 325,827.90 : x
  2. Step 2: Convert to fraction form
    363,881.70/545,822.55 = 325,827.90/x
  3. Step 3: Cross multiply
    363,881.70x = 545,822.55 × 325,827.90
  4. Step 4: Simplify right side
    363,881.70x = 177,844,215,239.15
  5. Step 5: Solve for x
    x = 177,844,215,239.15/363,881.70
  6. Step 6: Final answer
    x = 488,741.85

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Similar ratio
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1.5x scale

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.