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Finding the Fourth Proportional to 482,485.69, 722,814.98 and 322,077.90

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Solution

The fourth proportional to 482,485.69, 722,814.98 and 322,077.90 is: 482,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,485.69 : 722,814.98 = 322,077.90 : x
  2. Step 2: Convert to fraction form
    482,485.69/722,814.98 = 322,077.90/x
  3. Step 3: Cross multiply
    482,485.69x = 722,814.98 × 322,077.90
  4. Step 4: Simplify right side
    482,485.69x = 232,802,727,207.12
  5. Step 5: Solve for x
    x = 232,802,727,207.12/482,485.69
  6. Step 6: Final answer
    x = 482,507.01

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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.