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Finding the Fourth Proportional to 528,096.70, 792,047.85 and 328,059.10

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Solution

The fourth proportional to 528,096.70, 792,047.85 and 328,059.10 is: 492,028.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,096.70 : 792,047.85 = 328,059.10 : x
  2. Step 2: Convert to fraction form
    528,096.70/792,047.85 = 328,059.10/x
  3. Step 3: Cross multiply
    528,096.70x = 792,047.85 × 328,059.10
  4. Step 4: Simplify right side
    528,096.70x = 259,838,504,827.94
  5. Step 5: Solve for x
    x = 259,838,504,827.94/528,096.70
  6. Step 6: Final answer
    x = 492,028.27

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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.