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Finding the Fourth Proportional to 529,407.75, 793,760.56 and 192,408.36

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Solution

The fourth proportional to 529,407.75, 793,760.56 and 192,408.36 is: 288,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,407.75 : 793,760.56 = 192,408.36 : x
  2. Step 2: Convert to fraction form
    529,407.75/793,760.56 = 192,408.36/x
  3. Step 3: Cross multiply
    529,407.75x = 793,760.56 × 192,408.36
  4. Step 4: Simplify right side
    529,407.75x = 152,726,169,671.86
  5. Step 5: Solve for x
    x = 152,726,169,671.86/529,407.75
  6. Step 6: Final answer
    x = 288,484.95

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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.