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Finding the Fourth Proportional to 488,203.21, 732,421.71 and 203,735.52

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Solution

The fourth proportional to 488,203.21, 732,421.71 and 203,735.52 is: 305,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,203.21 : 732,421.71 = 203,735.52 : x
  2. Step 2: Convert to fraction form
    488,203.21/732,421.71 = 203,735.52/x
  3. Step 3: Cross multiply
    488,203.21x = 732,421.71 × 203,735.52
  4. Step 4: Simplify right side
    488,203.21x = 149,220,317,946.14
  5. Step 5: Solve for x
    x = 149,220,317,946.14/488,203.21
  6. Step 6: Final answer
    x = 305,652.06

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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.