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Finding the Fourth Proportional to 275,730.30, 413,595.45 and 247,736.70

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Solution

The fourth proportional to 275,730.30, 413,595.45 and 247,736.70 is: 371,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,730.30 : 413,595.45 = 247,736.70 : x
  2. Step 2: Convert to fraction form
    275,730.30/413,595.45 = 247,736.70/x
  3. Step 3: Cross multiply
    275,730.30x = 413,595.45 × 247,736.70
  4. Step 4: Simplify right side
    275,730.30x = 102,462,771,918.02
  5. Step 5: Solve for x
    x = 102,462,771,918.02/275,730.30
  6. Step 6: Final answer
    x = 371,605.05

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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.