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Finding the Fourth Proportional to 333,756.38, 500,634.68 and 81,037.19

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Solution

The fourth proportional to 333,756.38, 500,634.68 and 81,037.19 is: 121,555.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,756.38 : 500,634.68 = 81,037.19 : x
  2. Step 2: Convert to fraction form
    333,756.38/500,634.68 = 81,037.19/x
  3. Step 3: Cross multiply
    333,756.38x = 500,634.68 × 81,037.19
  4. Step 4: Simplify right side
    333,756.38x = 40,570,028,530.15
  5. Step 5: Solve for x
    x = 40,570,028,530.15/333,756.38
  6. Step 6: Final answer
    x = 121,555.81

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1.5x scale

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.