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Finding the Fourth Proportional to 929,981, 1,394,984.46 and 265,133

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Solution

The fourth proportional to 929,981, 1,394,984.46 and 265,133 is: 397,703.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,981 : 1,394,984.46 = 265,133 : x
  2. Step 2: Convert to fraction form
    929,981/1,394,984.46 = 265,133/x
  3. Step 3: Cross multiply
    929,981x = 1,394,984.46 × 265,133
  4. Step 4: Simplify right side
    929,981x = 369,856,414,833.18
  5. Step 5: Solve for x
    x = 369,856,414,833.18/929,981
  6. Step 6: Final answer
    x = 397,703.19

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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.