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Finding the Fourth Proportional to 432,855.25, 597,321.56 and 239,252.89

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Solution

The fourth proportional to 432,855.25, 597,321.56 and 239,252.89 is: 330,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,855.25 : 597,321.56 = 239,252.89 : x
  2. Step 2: Convert to fraction form
    432,855.25/597,321.56 = 239,252.89/x
  3. Step 3: Cross multiply
    432,855.25x = 597,321.56 × 239,252.89
  4. Step 4: Simplify right side
    432,855.25x = 142,910,909,489.31
  5. Step 5: Solve for x
    x = 142,910,909,489.31/432,855.25
  6. Step 6: Final answer
    x = 330,158.66

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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.