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Finding the Fourth Proportional to 345,434.94, 476,693.04 and 192,472.52

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Solution

The fourth proportional to 345,434.94, 476,693.04 and 192,472.52 is: 265,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,434.94 : 476,693.04 = 192,472.52 : x
  2. Step 2: Convert to fraction form
    345,434.94/476,693.04 = 192,472.52/x
  3. Step 3: Cross multiply
    345,434.94x = 476,693.04 × 192,472.52
  4. Step 4: Simplify right side
    345,434.94x = 91,750,309,483.53
  5. Step 5: Solve for x
    x = 91,750,309,483.53/345,434.94
  6. Step 6: Final answer
    x = 265,608.07

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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.