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Finding the Fourth Proportional to 389,484, 584,226 and 93,996

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Solution

The fourth proportional to 389,484, 584,226 and 93,996 is: 140,994

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,484 : 584,226 = 93,996 : x
  2. Step 2: Convert to fraction form
    389,484/584,226 = 93,996/x
  3. Step 3: Cross multiply
    389,484x = 584,226 × 93,996
  4. Step 4: Simplify right side
    389,484x = 54,914,907,096
  5. Step 5: Solve for x
    x = 54,914,907,096/389,484
  6. Step 6: Final answer
    x = 140,994

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.