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Finding the Fourth Proportional to 458,116.65, 632,179.62 and 254,165.40

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Solution

The fourth proportional to 458,116.65, 632,179.62 and 254,165.40 is: 350,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,116.65 : 632,179.62 = 254,165.40 : x
  2. Step 2: Convert to fraction form
    458,116.65/632,179.62 = 254,165.40/x
  3. Step 3: Cross multiply
    458,116.65x = 632,179.62 × 254,165.40
  4. Step 4: Simplify right side
    458,116.65x = 160,678,185,989.15
  5. Step 5: Solve for x
    x = 160,678,185,989.15/458,116.65
  6. Step 6: Final answer
    x = 350,736.40

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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.