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Finding the Fourth Proportional to 482,445.82, 722,755.30 and 322,038.08

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Solution

The fourth proportional to 482,445.82, 722,755.30 and 322,038.08 is: 482,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,445.82 : 722,755.30 = 322,038.08 : x
  2. Step 2: Convert to fraction form
    482,445.82/722,755.30 = 322,038.08/x
  3. Step 3: Cross multiply
    482,445.82x = 722,755.30 × 322,038.08
  4. Step 4: Simplify right side
    482,445.82x = 232,754,729,121.82
  5. Step 5: Solve for x
    x = 232,754,729,121.82/482,445.82
  6. Step 6: Final answer
    x = 482,447.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.