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Finding the Fourth Proportional to 1,144,521, 1,717,087.68 and 396,567

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Solution

The fourth proportional to 1,144,521, 1,717,087.68 and 396,567 is: 594,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,521 : 1,717,087.68 = 396,567 : x
  2. Step 2: Convert to fraction form
    1,144,521/1,717,087.68 = 396,567/x
  3. Step 3: Cross multiply
    1,144,521x = 1,717,087.68 × 396,567
  4. Step 4: Simplify right side
    1,144,521x = 680,940,309,994.56
  5. Step 5: Solve for x
    x = 680,940,309,994.56/1,144,521
  6. Step 6: Final answer
    x = 594,956.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.