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Finding the Fourth Proportional to 483,892.45, 725,817.72 and 146,925.46

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Solution

The fourth proportional to 483,892.45, 725,817.72 and 146,925.46 is: 220,381.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,892.45 : 725,817.72 = 146,925.46 : x
  2. Step 2: Convert to fraction form
    483,892.45/725,817.72 = 146,925.46/x
  3. Step 3: Cross multiply
    483,892.45x = 725,817.72 × 146,925.46
  4. Step 4: Simplify right side
    483,892.45x = 106,641,102,387.15
  5. Step 5: Solve for x
    x = 106,641,102,387.15/483,892.45
  6. Step 6: Final answer
    x = 220,381.83

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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.