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Finding the Fourth Proportional to 477,525.21, 658,971 and 262,665.27

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Solution

The fourth proportional to 477,525.21, 658,971 and 262,665.27 is: 362,470.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,525.21 : 658,971 = 262,665.27 : x
  2. Step 2: Convert to fraction form
    477,525.21/658,971 = 262,665.27/x
  3. Step 3: Cross multiply
    477,525.21x = 658,971 × 262,665.27
  4. Step 4: Simplify right side
    477,525.21x = 173,088,795,637.17
  5. Step 5: Solve for x
    x = 173,088,795,637.17/477,525.21
  6. Step 6: Final answer
    x = 362,470.49

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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.