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Finding the Fourth Proportional to 503,940.60, 756,048.60 and 148,954.32

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Solution

The fourth proportional to 503,940.60, 756,048.60 and 148,954.32 is: 223,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,940.60 : 756,048.60 = 148,954.32 : x
  2. Step 2: Convert to fraction form
    503,940.60/756,048.60 = 148,954.32/x
  3. Step 3: Cross multiply
    503,940.60x = 756,048.60 × 148,954.32
  4. Step 4: Simplify right side
    503,940.60x = 112,616,705,099.95
  5. Step 5: Solve for x
    x = 112,616,705,099.95/503,940.60
  6. Step 6: Final answer
    x = 223,472.18

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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.