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Finding the Fourth Proportional to 488,694.57, 732,530.11 and 204,547.83

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Solution

The fourth proportional to 488,694.57, 732,530.11 and 204,547.83 is: 306,607.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,694.57 : 732,530.11 = 204,547.83 : x
  2. Step 2: Convert to fraction form
    488,694.57/732,530.11 = 204,547.83/x
  3. Step 3: Cross multiply
    488,694.57x = 732,530.11 × 204,547.83
  4. Step 4: Simplify right side
    488,694.57x = 149,837,440,236.14
  5. Step 5: Solve for x
    x = 149,837,440,236.14/488,694.57
  6. Step 6: Final answer
    x = 306,607.54

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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.