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Finding the Fourth Proportional to 477,427, 658,865.82 and 262,583.32

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Solution

The fourth proportional to 477,427, 658,865.82 and 262,583.32 is: 362,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,427 : 658,865.82 = 262,583.32 : x
  2. Step 2: Convert to fraction form
    477,427/658,865.82 = 262,583.32/x
  3. Step 3: Cross multiply
    477,427x = 658,865.82 × 262,583.32
  4. Step 4: Simplify right side
    477,427x = 173,007,174,450.12
  5. Step 5: Solve for x
    x = 173,007,174,450.12/477,427
  6. Step 6: Final answer
    x = 362,374.09

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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.