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Finding the Fourth Proportional to 424,846.35, 586,239.86 and 250,405.16

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Solution

The fourth proportional to 424,846.35, 586,239.86 and 250,405.16 is: 345,530.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,846.35 : 586,239.86 = 250,405.16 : x
  2. Step 2: Convert to fraction form
    424,846.35/586,239.86 = 250,405.16/x
  3. Step 3: Cross multiply
    424,846.35x = 586,239.86 × 250,405.16
  4. Step 4: Simplify right side
    424,846.35x = 146,797,483,636.49
  5. Step 5: Solve for x
    x = 146,797,483,636.49/424,846.35
  6. Step 6: Final answer
    x = 345,530.76

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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.