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Finding the Fourth Proportional to 303,595.39, 455,400.39 and 103,914.46

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Solution

The fourth proportional to 303,595.39, 455,400.39 and 103,914.46 is: 155,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,595.39 : 455,400.39 = 103,914.46 : x
  2. Step 2: Convert to fraction form
    303,595.39/455,400.39 = 103,914.46/x
  3. Step 3: Cross multiply
    303,595.39x = 455,400.39 × 103,914.46
  4. Step 4: Simplify right side
    303,595.39x = 47,322,685,610.64
  5. Step 5: Solve for x
    x = 47,322,685,610.64/303,595.39
  6. Step 6: Final answer
    x = 155,874.19

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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.