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Finding the Fourth Proportional to 528,510.56, 792,666.60 and 244,189.28

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Solution

The fourth proportional to 528,510.56, 792,666.60 and 244,189.28 is: 366,238.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,510.56 : 792,666.60 = 244,189.28 : x
  2. Step 2: Convert to fraction form
    528,510.56/792,666.60 = 244,189.28/x
  3. Step 3: Cross multiply
    528,510.56x = 792,666.60 × 244,189.28
  4. Step 4: Simplify right side
    528,510.56x = 193,560,686,334.05
  5. Step 5: Solve for x
    x = 193,560,686,334.05/528,510.56
  6. Step 6: Final answer
    x = 366,238.07

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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.