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Finding the Fourth Proportional to 458,687.30, 633,009.45 and 254,739.14

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Solution

The fourth proportional to 458,687.30, 633,009.45 and 254,739.14 is: 351,551.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,687.30 : 633,009.45 = 254,739.14 : x
  2. Step 2: Convert to fraction form
    458,687.30/633,009.45 = 254,739.14/x
  3. Step 3: Cross multiply
    458,687.30x = 633,009.45 × 254,739.14
  4. Step 4: Simplify right side
    458,687.30x = 161,252,282,904.87
  5. Step 5: Solve for x
    x = 161,252,282,904.87/458,687.30
  6. Step 6: Final answer
    x = 351,551.66

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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.