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Finding the Fourth Proportional to 344,963.34, 475,990.17 and 317,059.17

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Solution

The fourth proportional to 344,963.34, 475,990.17 and 317,059.17 is: 437,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,963.34 : 475,990.17 = 317,059.17 : x
  2. Step 2: Convert to fraction form
    344,963.34/475,990.17 = 317,059.17/x
  3. Step 3: Cross multiply
    344,963.34x = 475,990.17 × 317,059.17
  4. Step 4: Simplify right side
    344,963.34x = 150,917,048,228.36
  5. Step 5: Solve for x
    x = 150,917,048,228.36/344,963.34
  6. Step 6: Final answer
    x = 437,487.21

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1.5x scale

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.