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Finding the Fourth Proportional to 458,356.64, 632,522.63 and 254,395.59

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Solution

The fourth proportional to 458,356.64, 632,522.63 and 254,395.59 is: 351,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,356.64 : 632,522.63 = 254,395.59 : x
  2. Step 2: Convert to fraction form
    458,356.64/632,522.63 = 254,395.59/x
  3. Step 3: Cross multiply
    458,356.64x = 632,522.63 × 254,395.59
  4. Step 4: Simplify right side
    458,356.64x = 160,910,966,375.22
  5. Step 5: Solve for x
    x = 160,910,966,375.22/458,356.64
  6. Step 6: Final answer
    x = 351,060.62

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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.