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Finding the Fourth Proportional to 528,246.96, 792,357.48 and 154,273.20

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Solution

The fourth proportional to 528,246.96, 792,357.48 and 154,273.20 is: 231,406.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,246.96 : 792,357.48 = 154,273.20 : x
  2. Step 2: Convert to fraction form
    528,246.96/792,357.48 = 154,273.20/x
  3. Step 3: Cross multiply
    528,246.96x = 792,357.48 × 154,273.20
  4. Step 4: Simplify right side
    528,246.96x = 122,239,523,983.54
  5. Step 5: Solve for x
    x = 122,239,523,983.54/528,246.96
  6. Step 6: Final answer
    x = 231,406.02

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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.