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Finding the Fourth Proportional to 525,383.92, 788,153.76 and 192,934

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Solution

The fourth proportional to 525,383.92, 788,153.76 and 192,934 is: 289,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,383.92 : 788,153.76 = 192,934 : x
  2. Step 2: Convert to fraction form
    525,383.92/788,153.76 = 192,934/x
  3. Step 3: Cross multiply
    525,383.92x = 788,153.76 × 192,934
  4. Step 4: Simplify right side
    525,383.92x = 152,061,657,531.84
  5. Step 5: Solve for x
    x = 152,061,657,531.84/525,383.92
  6. Step 6: Final answer
    x = 289,429.60

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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.