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Finding the Fourth Proportional to 482,945.40, 724,418.10 and 304,486.20

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Solution

The fourth proportional to 482,945.40, 724,418.10 and 304,486.20 is: 456,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,945.40 : 724,418.10 = 304,486.20 : x
  2. Step 2: Convert to fraction form
    482,945.40/724,418.10 = 304,486.20/x
  3. Step 3: Cross multiply
    482,945.40x = 724,418.10 × 304,486.20
  4. Step 4: Simplify right side
    482,945.40x = 220,575,314,480.22
  5. Step 5: Solve for x
    x = 220,575,314,480.22/482,945.40
  6. Step 6: Final answer
    x = 456,729.30

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