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Finding the Fourth Proportional to 348,323.69, 480,788.87 and 227,483.24

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Solution

The fourth proportional to 348,323.69, 480,788.87 and 227,483.24 is: 313,993.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,323.69 : 480,788.87 = 227,483.24 : x
  2. Step 2: Convert to fraction form
    348,323.69/480,788.87 = 227,483.24/x
  3. Step 3: Cross multiply
    348,323.69x = 480,788.87 × 227,483.24
  4. Step 4: Simplify right side
    348,323.69x = 109,371,406,362.18
  5. Step 5: Solve for x
    x = 109,371,406,362.18/348,323.69
  6. Step 6: Final answer
    x = 313,993.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.