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Finding the Fourth Proportional to 488,194.02, 732,407.94 and 203,726.33

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Solution

The fourth proportional to 488,194.02, 732,407.94 and 203,726.33 is: 305,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,194.02 : 732,407.94 = 203,726.33 : x
  2. Step 2: Convert to fraction form
    488,194.02/732,407.94 = 203,726.33/x
  3. Step 3: Cross multiply
    488,194.02x = 732,407.94 × 203,726.33
  4. Step 4: Simplify right side
    488,194.02x = 149,210,780,763.55
  5. Step 5: Solve for x
    x = 149,210,780,763.55/488,194.02
  6. Step 6: Final answer
    x = 305,638.28

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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.