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Finding the Fourth Proportional to 432,918.46, 597,375.71 and 239,300

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Solution

The fourth proportional to 432,918.46, 597,375.71 and 239,300 is: 330,205.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,918.46 : 597,375.71 = 239,300 : x
  2. Step 2: Convert to fraction form
    432,918.46/597,375.71 = 239,300/x
  3. Step 3: Cross multiply
    432,918.46x = 597,375.71 × 239,300
  4. Step 4: Simplify right side
    432,918.46x = 142,952,006,206.50
  5. Step 5: Solve for x
    x = 142,952,006,206.50/432,918.46
  6. Step 6: Final answer
    x = 330,205.39

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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.