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Finding the Fourth Proportional to 578,873.44, 868,231.33 and 152,373.54

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Solution

The fourth proportional to 578,873.44, 868,231.33 and 152,373.54 is: 228,539.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,873.44 : 868,231.33 = 152,373.54 : x
  2. Step 2: Convert to fraction form
    578,873.44/868,231.33 = 152,373.54/x
  3. Step 3: Cross multiply
    578,873.44x = 868,231.33 × 152,373.54
  4. Step 4: Simplify right side
    578,873.44x = 132,295,483,373.54
  5. Step 5: Solve for x
    x = 132,295,483,373.54/578,873.44
  6. Step 6: Final answer
    x = 228,539.57

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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.