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Finding the Fourth Proportional to 449,653.66, 673,271.89 and 342,527.34

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Solution

The fourth proportional to 449,653.66, 673,271.89 and 342,527.34 is: 512,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,653.66 : 673,271.89 = 342,527.34 : x
  2. Step 2: Convert to fraction form
    449,653.66/673,271.89 = 342,527.34/x
  3. Step 3: Cross multiply
    449,653.66x = 673,271.89 × 342,527.34
  4. Step 4: Simplify right side
    449,653.66x = 230,614,029,578.47
  5. Step 5: Solve for x
    x = 230,614,029,578.47/449,653.66
  6. Step 6: Final answer
    x = 512,870.35

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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.