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Finding the Fourth Proportional to 432,889.30, 597,378.42 and 239,305.17

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Solution

The fourth proportional to 432,889.30, 597,378.42 and 239,305.17 is: 330,236.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,889.30 : 597,378.42 = 239,305.17 : x
  2. Step 2: Convert to fraction form
    432,889.30/597,378.42 = 239,305.17/x
  3. Step 3: Cross multiply
    432,889.30x = 597,378.42 × 239,305.17
  4. Step 4: Simplify right side
    432,889.30x = 142,955,746,592.60
  5. Step 5: Solve for x
    x = 142,955,746,592.60/432,889.30
  6. Step 6: Final answer
    x = 330,236.27

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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.