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Finding the Fourth Proportional to 528,033.96, 792,037.86 and 154,060.20

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Solution

The fourth proportional to 528,033.96, 792,037.86 and 154,060.20 is: 231,086.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,033.96 : 792,037.86 = 154,060.20 : x
  2. Step 2: Convert to fraction form
    528,033.96/792,037.86 = 154,060.20/x
  3. Step 3: Cross multiply
    528,033.96x = 792,037.86 × 154,060.20
  4. Step 4: Simplify right side
    528,033.96x = 122,021,511,119.17
  5. Step 5: Solve for x
    x = 122,021,511,119.17/528,033.96
  6. Step 6: Final answer
    x = 231,086.48

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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.