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Finding the Fourth Proportional to 625,523.24, 863,223.60 and 339,043.04

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Solution

The fourth proportional to 625,523.24, 863,223.60 and 339,043.04 is: 467,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,523.24 : 863,223.60 = 339,043.04 : x
  2. Step 2: Convert to fraction form
    625,523.24/863,223.60 = 339,043.04/x
  3. Step 3: Cross multiply
    625,523.24x = 863,223.60 × 339,043.04
  4. Step 4: Simplify right side
    625,523.24x = 292,669,953,543.74
  5. Step 5: Solve for x
    x = 292,669,953,543.74/625,523.24
  6. Step 6: Final answer
    x = 467,880.22

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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.