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Finding the Fourth Proportional to 488,636.61, 732,775.17 and 168,707.22

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Solution

The fourth proportional to 488,636.61, 732,775.17 and 168,707.22 is: 252,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,636.61 : 732,775.17 = 168,707.22 : x
  2. Step 2: Convert to fraction form
    488,636.61/732,775.17 = 168,707.22/x
  3. Step 3: Cross multiply
    488,636.61x = 732,775.17 × 168,707.22
  4. Step 4: Simplify right side
    488,636.61x = 123,624,461,815.73
  5. Step 5: Solve for x
    x = 123,624,461,815.73/488,636.61
  6. Step 6: Final answer
    x = 252,998.77

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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.