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Finding the Fourth Proportional to 486,469.99, 730,037.15 and 170,926.93

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Solution

The fourth proportional to 486,469.99, 730,037.15 and 170,926.93 is: 256,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,469.99 : 730,037.15 = 170,926.93 : x
  2. Step 2: Convert to fraction form
    486,469.99/730,037.15 = 170,926.93/x
  3. Step 3: Cross multiply
    486,469.99x = 730,037.15 × 170,926.93
  4. Step 4: Simplify right side
    486,469.99x = 124,783,008,835.45
  5. Step 5: Solve for x
    x = 124,783,008,835.45/486,469.99
  6. Step 6: Final answer
    x = 256,507.11

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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.