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Finding the Fourth Proportional to 528,600.77, 792,723.44 and 191,570.86

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Solution

The fourth proportional to 528,600.77, 792,723.44 and 191,570.86 is: 287,291.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,600.77 : 792,723.44 = 191,570.86 : x
  2. Step 2: Convert to fraction form
    528,600.77/792,723.44 = 191,570.86/x
  3. Step 3: Cross multiply
    528,600.77x = 792,723.44 × 191,570.86
  4. Step 4: Simplify right side
    528,600.77x = 151,862,707,179.34
  5. Step 5: Solve for x
    x = 151,862,707,179.34/528,600.77
  6. Step 6: Final answer
    x = 287,291.88

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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.