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Finding the Fourth Proportional to 625,671.09, 863,423.82 and 350,029.58

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Solution

The fourth proportional to 625,671.09, 863,423.82 and 350,029.58 is: 483,039.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,671.09 : 863,423.82 = 350,029.58 : x
  2. Step 2: Convert to fraction form
    625,671.09/863,423.82 = 350,029.58/x
  3. Step 3: Cross multiply
    625,671.09x = 863,423.82 × 350,029.58
  4. Step 4: Simplify right side
    625,671.09x = 302,223,872,759.48
  5. Step 5: Solve for x
    x = 302,223,872,759.48/625,671.09
  6. Step 6: Final answer
    x = 483,039.54

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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.