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Finding the Fourth Proportional to 458,693.16, 633,012.27 and 254,747.31

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Solution

The fourth proportional to 458,693.16, 633,012.27 and 254,747.31 is: 351,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,693.16 : 633,012.27 = 254,747.31 : x
  2. Step 2: Convert to fraction form
    458,693.16/633,012.27 = 254,747.31/x
  3. Step 3: Cross multiply
    458,693.16x = 633,012.27 × 254,747.31
  4. Step 4: Simplify right side
    458,693.16x = 161,258,172,979.49
  5. Step 5: Solve for x
    x = 161,258,172,979.49/458,693.16
  6. Step 6: Final answer
    x = 351,560.01

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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.