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Finding the Fourth Proportional to 363,454.80, 545,117.40 and 230,096.40

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Solution

The fourth proportional to 363,454.80, 545,117.40 and 230,096.40 is: 345,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,454.80 : 545,117.40 = 230,096.40 : x
  2. Step 2: Convert to fraction form
    363,454.80/545,117.40 = 230,096.40/x
  3. Step 3: Cross multiply
    363,454.80x = 545,117.40 × 230,096.40
  4. Step 4: Simplify right side
    363,454.80x = 125,429,551,317.36
  5. Step 5: Solve for x
    x = 125,429,551,317.36/363,454.80
  6. Step 6: Final answer
    x = 345,103.58

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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.