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Finding the Fourth Proportional to 632,627.30, 948,940.95 and 258,562.82

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Solution

The fourth proportional to 632,627.30, 948,940.95 and 258,562.82 is: 387,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,627.30 : 948,940.95 = 258,562.82 : x
  2. Step 2: Convert to fraction form
    632,627.30/948,940.95 = 258,562.82/x
  3. Step 3: Cross multiply
    632,627.30x = 948,940.95 × 258,562.82
  4. Step 4: Simplify right side
    632,627.30x = 245,360,848,045.48
  5. Step 5: Solve for x
    x = 245,360,848,045.48/632,627.30
  6. Step 6: Final answer
    x = 387,844.23

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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.