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Finding the Fourth Proportional to 528,134.65, 792,003.05 and 191,091.96

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Solution

The fourth proportional to 528,134.65, 792,003.05 and 191,091.96 is: 286,565.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,134.65 : 792,003.05 = 191,091.96 : x
  2. Step 2: Convert to fraction form
    528,134.65/792,003.05 = 191,091.96/x
  3. Step 3: Cross multiply
    528,134.65x = 792,003.05 × 191,091.96
  4. Step 4: Simplify right side
    528,134.65x = 151,345,414,911.61
  5. Step 5: Solve for x
    x = 151,345,414,911.61/528,134.65
  6. Step 6: Final answer
    x = 286,565.97

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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.