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Finding the Fourth Proportional to 530,676.10, 731,087.49 and 369,253.54

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Solution

The fourth proportional to 530,676.10, 731,087.49 and 369,253.54 is: 508,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,676.10 : 731,087.49 = 369,253.54 : x
  2. Step 2: Convert to fraction form
    530,676.10/731,087.49 = 369,253.54/x
  3. Step 3: Cross multiply
    530,676.10x = 731,087.49 × 369,253.54
  4. Step 4: Simplify right side
    530,676.10x = 269,956,643,732.22
  5. Step 5: Solve for x
    x = 269,956,643,732.22/530,676.10
  6. Step 6: Final answer
    x = 508,703.23

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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.