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Finding the Fourth Proportional to 458,710.20, 633,028.50 and 254,780.01

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Solution

The fourth proportional to 458,710.20, 633,028.50 and 254,780.01 is: 351,601.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,710.20 : 633,028.50 = 254,780.01 : x
  2. Step 2: Convert to fraction form
    458,710.20/633,028.50 = 254,780.01/x
  3. Step 3: Cross multiply
    458,710.20x = 633,028.50 × 254,780.01
  4. Step 4: Simplify right side
    458,710.20x = 161,283,007,560.29
  5. Step 5: Solve for x
    x = 161,283,007,560.29/458,710.20
  6. Step 6: Final answer
    x = 351,601.09

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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.