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Finding the Fourth Proportional to 626,095.88, 863,479.48 and 481,252.70

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Solution

The fourth proportional to 626,095.88, 863,479.48 and 481,252.70 is: 663,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,095.88 : 863,479.48 = 481,252.70 : x
  2. Step 2: Convert to fraction form
    626,095.88/863,479.48 = 481,252.70/x
  3. Step 3: Cross multiply
    626,095.88x = 863,479.48 × 481,252.70
  4. Step 4: Simplify right side
    626,095.88x = 415,551,831,144.60
  5. Step 5: Solve for x
    x = 415,551,831,144.60/626,095.88
  6. Step 6: Final answer
    x = 663,719.16

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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.