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Finding the Fourth Proportional to 503,368.40, 755,052.60 and 484,014.80

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Solution

The fourth proportional to 503,368.40, 755,052.60 and 484,014.80 is: 726,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,368.40 : 755,052.60 = 484,014.80 : x
  2. Step 2: Convert to fraction form
    503,368.40/755,052.60 = 484,014.80/x
  3. Step 3: Cross multiply
    503,368.40x = 755,052.60 × 484,014.80
  4. Step 4: Simplify right side
    503,368.40x = 365,456,633,178.48
  5. Step 5: Solve for x
    x = 365,456,633,178.48/503,368.40
  6. Step 6: Final answer
    x = 726,022.20

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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.