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Finding the Fourth Proportional to 532,558.72, 734,754 and 351,360.64

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Solution

The fourth proportional to 532,558.72, 734,754 and 351,360.64 is: 484,760.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,558.72 : 734,754 = 351,360.64 : x
  2. Step 2: Convert to fraction form
    532,558.72/734,754 = 351,360.64/x
  3. Step 3: Cross multiply
    532,558.72x = 734,754 × 351,360.64
  4. Step 4: Simplify right side
    532,558.72x = 258,163,635,682.56
  5. Step 5: Solve for x
    x = 258,163,635,682.56/532,558.72
  6. Step 6: Final answer
    x = 484,760.88

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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.