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Finding the Fourth Proportional to 999,833.96, 1,379,770.98 and 547,125

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Solution

The fourth proportional to 999,833.96, 1,379,770.98 and 547,125 is: 755,032.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,833.96 : 1,379,770.98 = 547,125 : x
  2. Step 2: Convert to fraction form
    999,833.96/1,379,770.98 = 547,125/x
  3. Step 3: Cross multiply
    999,833.96x = 1,379,770.98 × 547,125
  4. Step 4: Simplify right side
    999,833.96x = 754,907,197,432.50
  5. Step 5: Solve for x
    x = 754,907,197,432.50/999,833.96
  6. Step 6: Final answer
    x = 755,032.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.