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Finding the Fourth Proportional to 973,759.07, 1,344,162.54 and 871,604.30

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Solution

The fourth proportional to 973,759.07, 1,344,162.54 and 871,604.30 is: 1,203,149.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,759.07 : 1,344,162.54 = 871,604.30 : x
  2. Step 2: Convert to fraction form
    973,759.07/1,344,162.54 = 871,604.30/x
  3. Step 3: Cross multiply
    973,759.07x = 1,344,162.54 × 871,604.30
  4. Step 4: Simplify right side
    973,759.07x = 1,171,577,849,762.92
  5. Step 5: Solve for x
    x = 1,171,577,849,762.92/973,759.07
  6. Step 6: Final answer
    x = 1,203,149.61

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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.