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Finding the Fourth Proportional to 432,809.52, 597,308.04 and 239,213.09

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Solution

The fourth proportional to 432,809.52, 597,308.04 and 239,213.09 is: 330,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,809.52 : 597,308.04 = 239,213.09 : x
  2. Step 2: Convert to fraction form
    432,809.52/597,308.04 = 239,213.09/x
  3. Step 3: Cross multiply
    432,809.52x = 597,308.04 × 239,213.09
  4. Step 4: Simplify right side
    432,809.52x = 142,883,898,943.70
  5. Step 5: Solve for x
    x = 142,883,898,943.70/432,809.52
  6. Step 6: Final answer
    x = 330,131.14

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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.