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Finding the Fourth Proportional to 458,377.45, 632,551.08 and 254,416.48

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Solution

The fourth proportional to 458,377.45, 632,551.08 and 254,416.48 is: 351,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,377.45 : 632,551.08 = 254,416.48 : x
  2. Step 2: Convert to fraction form
    458,377.45/632,551.08 = 254,416.48/x
  3. Step 3: Cross multiply
    458,377.45x = 632,551.08 × 254,416.48
  4. Step 4: Simplify right side
    458,377.45x = 160,931,419,193.80
  5. Step 5: Solve for x
    x = 160,931,419,193.80/458,377.45
  6. Step 6: Final answer
    x = 351,089.30

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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.