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Finding the Fourth Proportional to 1,059,717, 1,589,186.70 and 349,534.92

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Solution

The fourth proportional to 1,059,717, 1,589,186.70 and 349,534.92 is: 524,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,717 : 1,589,186.70 = 349,534.92 : x
  2. Step 2: Convert to fraction form
    1,059,717/1,589,186.70 = 349,534.92/x
  3. Step 3: Cross multiply
    1,059,717x = 1,589,186.70 × 349,534.92
  4. Step 4: Simplify right side
    1,059,717x = 555,476,246,049.56
  5. Step 5: Solve for x
    x = 555,476,246,049.56/1,059,717
  6. Step 6: Final answer
    x = 524,174.14

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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.