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Finding the Fourth Proportional to 482,487.17, 722,817.19 and 322,079.37

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Solution

The fourth proportional to 482,487.17, 722,817.19 and 322,079.37 is: 482,509.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,487.17 : 722,817.19 = 322,079.37 : x
  2. Step 2: Convert to fraction form
    482,487.17/722,817.19 = 322,079.37/x
  3. Step 3: Cross multiply
    482,487.17x = 722,817.19 × 322,079.37
  4. Step 4: Simplify right side
    482,487.17x = 232,804,506,485.33
  5. Step 5: Solve for x
    x = 232,804,506,485.33/482,487.17
  6. Step 6: Final answer
    x = 482,509.22

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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.