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Finding the Fourth Proportional to 999,522.28, 1,379,373.96 and 546,813.28

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Solution

The fourth proportional to 999,522.28, 1,379,373.96 and 546,813.28 is: 754,620.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,522.28 : 1,379,373.96 = 546,813.28 : x
  2. Step 2: Convert to fraction form
    999,522.28/1,379,373.96 = 546,813.28/x
  3. Step 3: Cross multiply
    999,522.28x = 1,379,373.96 × 546,813.28
  4. Step 4: Simplify right side
    999,522.28x = 754,259,999,414.19
  5. Step 5: Solve for x
    x = 754,259,999,414.19/999,522.28
  6. Step 6: Final answer
    x = 754,620.50

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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.