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Finding the Fourth Proportional to 550,541.70, 825,812.55 and 363,553.20

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Solution

The fourth proportional to 550,541.70, 825,812.55 and 363,553.20 is: 545,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,541.70 : 825,812.55 = 363,553.20 : x
  2. Step 2: Convert to fraction form
    550,541.70/825,812.55 = 363,553.20/x
  3. Step 3: Cross multiply
    550,541.70x = 825,812.55 × 363,553.20
  4. Step 4: Simplify right side
    550,541.70x = 300,226,795,152.66
  5. Step 5: Solve for x
    x = 300,226,795,152.66/550,541.70
  6. Step 6: Final answer
    x = 545,329.80

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Similar ratio
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1.5x scale

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.