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Finding the Fourth Proportional to 999,758, 1,379,666.04 and 547,049

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Solution

The fourth proportional to 999,758, 1,379,666.04 and 547,049 is: 754,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,758 : 1,379,666.04 = 547,049 : x
  2. Step 2: Convert to fraction form
    999,758/1,379,666.04 = 547,049/x
  3. Step 3: Cross multiply
    999,758x = 1,379,666.04 × 547,049
  4. Step 4: Simplify right side
    999,758x = 754,744,927,515.96
  5. Step 5: Solve for x
    x = 754,744,927,515.96/999,758
  6. Step 6: Final answer
    x = 754,927.62

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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.