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Finding the Fourth Proportional to 823,200.36, 1,234,800.54 and 542,652

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Solution

The fourth proportional to 823,200.36, 1,234,800.54 and 542,652 is: 813,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,200.36 : 1,234,800.54 = 542,652 : x
  2. Step 2: Convert to fraction form
    823,200.36/1,234,800.54 = 542,652/x
  3. Step 3: Cross multiply
    823,200.36x = 1,234,800.54 × 542,652
  4. Step 4: Simplify right side
    823,200.36x = 670,066,982,632.08
  5. Step 5: Solve for x
    x = 670,066,982,632.08/823,200.36
  6. Step 6: Final answer
    x = 813,978.00

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Similar ratio
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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.