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Finding the Fourth Proportional to 488,206.37, 732,426.50 and 203,738.69

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Solution

The fourth proportional to 488,206.37, 732,426.50 and 203,738.69 is: 305,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,206.37 : 732,426.50 = 203,738.69 : x
  2. Step 2: Convert to fraction form
    488,206.37/732,426.50 = 203,738.69/x
  3. Step 3: Cross multiply
    488,206.37x = 732,426.50 × 203,738.69
  4. Step 4: Simplify right side
    488,206.37x = 149,223,617,971.70
  5. Step 5: Solve for x
    x = 149,223,617,971.70/488,206.37
  6. Step 6: Final answer
    x = 305,656.84

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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.