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Finding the Fourth Proportional to 458,318.92, 632,470.58 and 254,357.98

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Solution

The fourth proportional to 458,318.92, 632,470.58 and 254,357.98 is: 351,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,318.92 : 632,470.58 = 254,357.98 : x
  2. Step 2: Convert to fraction form
    458,318.92/632,470.58 = 254,357.98/x
  3. Step 3: Cross multiply
    458,318.92x = 632,470.58 × 254,357.98
  4. Step 4: Simplify right side
    458,318.92x = 160,873,939,138.23
  5. Step 5: Solve for x
    x = 160,873,939,138.23/458,318.92
  6. Step 6: Final answer
    x = 351,008.72

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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.