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Finding the Fourth Proportional to 458,317.44, 632,468.55 and 254,356.50

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Solution

The fourth proportional to 458,317.44, 632,468.55 and 254,356.50 is: 351,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,317.44 : 632,468.55 = 254,356.50 : x
  2. Step 2: Convert to fraction form
    458,317.44/632,468.55 = 254,356.50/x
  3. Step 3: Cross multiply
    458,317.44x = 632,468.55 × 254,356.50
  4. Step 4: Simplify right side
    458,317.44x = 160,872,490,063.67
  5. Step 5: Solve for x
    x = 160,872,490,063.67/458,317.44
  6. Step 6: Final answer
    x = 351,006.70

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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.