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Finding the Fourth Proportional to 458,362.95, 632,531.07 and 254,401.98

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Solution

The fourth proportional to 458,362.95, 632,531.07 and 254,401.98 is: 351,069.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,362.95 : 632,531.07 = 254,401.98 : x
  2. Step 2: Convert to fraction form
    458,362.95/632,531.07 = 254,401.98/x
  3. Step 3: Cross multiply
    458,362.95x = 632,531.07 × 254,401.98
  4. Step 4: Simplify right side
    458,362.95x = 160,917,156,619.52
  5. Step 5: Solve for x
    x = 160,917,156,619.52/458,362.95
  6. Step 6: Final answer
    x = 351,069.29

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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.