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Finding the Fourth Proportional to 483,677.55, 725,522.40 and 146,721.60

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Solution

The fourth proportional to 483,677.55, 725,522.40 and 146,721.60 is: 220,084.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,677.55 : 725,522.40 = 146,721.60 : x
  2. Step 2: Convert to fraction form
    483,677.55/725,522.40 = 146,721.60/x
  3. Step 3: Cross multiply
    483,677.55x = 725,522.40 × 146,721.60
  4. Step 4: Simplify right side
    483,677.55x = 106,449,807,363.84
  5. Step 5: Solve for x
    x = 106,449,807,363.84/483,677.55
  6. Step 6: Final answer
    x = 220,084.24

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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.