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Finding the Fourth Proportional to 458,585.48, 632,844.66 and 254,635.40

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Solution

The fourth proportional to 458,585.48, 632,844.66 and 254,635.40 is: 351,395.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,585.48 : 632,844.66 = 254,635.40 : x
  2. Step 2: Convert to fraction form
    458,585.48/632,844.66 = 254,635.40/x
  3. Step 3: Cross multiply
    458,585.48x = 632,844.66 × 254,635.40
  4. Step 4: Simplify right side
    458,585.48x = 161,144,653,136.96
  5. Step 5: Solve for x
    x = 161,144,653,136.96/458,585.48
  6. Step 6: Final answer
    x = 351,395.02

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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.