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Finding the Fourth Proportional to 358,284.39, 536,942.39 and 136,547.43

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Solution

The fourth proportional to 358,284.39, 536,942.39 and 136,547.43 is: 204,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,284.39 : 536,942.39 = 136,547.43 : x
  2. Step 2: Convert to fraction form
    358,284.39/536,942.39 = 136,547.43/x
  3. Step 3: Cross multiply
    358,284.39x = 536,942.39 × 136,547.43
  4. Step 4: Simplify right side
    358,284.39x = 73,318,102,729.82
  5. Step 5: Solve for x
    x = 73,318,102,729.82/358,284.39
  6. Step 6: Final answer
    x = 204,636.61

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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.