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Finding the Fourth Proportional to 999,480.72, 1,379,294.28 and 546,762

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Solution

The fourth proportional to 999,480.72, 1,379,294.28 and 546,762 is: 754,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,480.72 : 1,379,294.28 = 546,762 : x
  2. Step 2: Convert to fraction form
    999,480.72/1,379,294.28 = 546,762/x
  3. Step 3: Cross multiply
    999,480.72x = 1,379,294.28 × 546,762
  4. Step 4: Simplify right side
    999,480.72x = 754,145,699,121.36
  5. Step 5: Solve for x
    x = 754,145,699,121.36/999,480.72
  6. Step 6: Final answer
    x = 754,537.52

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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.