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Finding the Fourth Proportional to 477,446.96, 658,877.04 and 262,601.60

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Solution

The fourth proportional to 477,446.96, 658,877.04 and 262,601.60 is: 362,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,446.96 : 658,877.04 = 262,601.60 : x
  2. Step 2: Convert to fraction form
    477,446.96/658,877.04 = 262,601.60/x
  3. Step 3: Cross multiply
    477,446.96x = 658,877.04 × 262,601.60
  4. Step 4: Simplify right side
    477,446.96x = 173,022,164,907.26
  5. Step 5: Solve for x
    x = 173,022,164,907.26/477,446.96
  6. Step 6: Final answer
    x = 362,390.34

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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.