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Finding the Fourth Proportional to 528,354.74, 792,843.15 and 196,164.02

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Solution

The fourth proportional to 528,354.74, 792,843.15 and 196,164.02 is: 294,361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,354.74 : 792,843.15 = 196,164.02 : x
  2. Step 2: Convert to fraction form
    528,354.74/792,843.15 = 196,164.02/x
  3. Step 3: Cross multiply
    528,354.74x = 792,843.15 × 196,164.02
  4. Step 4: Simplify right side
    528,354.74x = 155,527,299,533.46
  5. Step 5: Solve for x
    x = 155,527,299,533.46/528,354.74
  6. Step 6: Final answer
    x = 294,361.51

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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.