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Finding the Fourth Proportional to 839,754, 1,159,274.22 and 581,826.54

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Solution

The fourth proportional to 839,754, 1,159,274.22 and 581,826.54 is: 803,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,754 : 1,159,274.22 = 581,826.54 : x
  2. Step 2: Convert to fraction form
    839,754/1,159,274.22 = 581,826.54/x
  3. Step 3: Cross multiply
    839,754x = 1,159,274.22 × 581,826.54
  4. Step 4: Simplify right side
    839,754x = 674,496,508,333.80
  5. Step 5: Solve for x
    x = 674,496,508,333.80/839,754
  6. Step 6: Final answer
    x = 803,207.26

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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.