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Finding the Fourth Proportional to 458,326.02, 632,490.14 and 254,377.04

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Solution

The fourth proportional to 458,326.02, 632,490.14 and 254,377.04 is: 351,040.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,326.02 : 632,490.14 = 254,377.04 : x
  2. Step 2: Convert to fraction form
    458,326.02/632,490.14 = 254,377.04/x
  3. Step 3: Cross multiply
    458,326.02x = 632,490.14 × 254,377.04
  4. Step 4: Simplify right side
    458,326.02x = 160,890,967,115.88
  5. Step 5: Solve for x
    x = 160,890,967,115.88/458,326.02
  6. Step 6: Final answer
    x = 351,040.44

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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.