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Finding the Fourth Proportional to 363,039.60, 500,922.72 and 219,812.98

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Solution

The fourth proportional to 363,039.60, 500,922.72 and 219,812.98 is: 303,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,039.60 : 500,922.72 = 219,812.98 : x
  2. Step 2: Convert to fraction form
    363,039.60/500,922.72 = 219,812.98/x
  3. Step 3: Cross multiply
    363,039.60x = 500,922.72 × 219,812.98
  4. Step 4: Simplify right side
    363,039.60x = 110,109,315,832.91
  5. Step 5: Solve for x
    x = 110,109,315,832.91/363,039.60
  6. Step 6: Final answer
    x = 303,298.36

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1.5x scale

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.