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Finding the Fourth Proportional to 363,628.44, 545,516.64 and 153,266.04

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Solution

The fourth proportional to 363,628.44, 545,516.64 and 153,266.04 is: 229,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,628.44 : 545,516.64 = 153,266.04 : x
  2. Step 2: Convert to fraction form
    363,628.44/545,516.64 = 153,266.04/x
  3. Step 3: Cross multiply
    363,628.44x = 545,516.64 × 153,266.04
  4. Step 4: Simplify right side
    363,628.44x = 83,609,175,166.91
  5. Step 5: Solve for x
    x = 83,609,175,166.91/363,628.44
  6. Step 6: Final answer
    x = 229,930.24

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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.