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Finding the Fourth Proportional to 704,126.33, 971,694.59 and 381,836.34

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Solution

The fourth proportional to 704,126.33, 971,694.59 and 381,836.34 is: 526,934.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,126.33 : 971,694.59 = 381,836.34 : x
  2. Step 2: Convert to fraction form
    704,126.33/971,694.59 = 381,836.34/x
  3. Step 3: Cross multiply
    704,126.33x = 971,694.59 × 381,836.34
  4. Step 4: Simplify right side
    704,126.33x = 371,028,303,934.22
  5. Step 5: Solve for x
    x = 371,028,303,934.22/704,126.33
  6. Step 6: Final answer
    x = 526,934.29

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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.