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Finding the Fourth Proportional to 363,152.56, 501,012.66 and 225,267.52

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Solution

The fourth proportional to 363,152.56, 501,012.66 and 225,267.52 is: 310,783.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,152.56 : 501,012.66 = 225,267.52 : x
  2. Step 2: Convert to fraction form
    363,152.56/501,012.66 = 225,267.52/x
  3. Step 3: Cross multiply
    363,152.56x = 501,012.66 × 225,267.52
  4. Step 4: Simplify right side
    363,152.56x = 112,861,879,406.80
  5. Step 5: Solve for x
    x = 112,861,879,406.80/363,152.56
  6. Step 6: Final answer
    x = 310,783.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.