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Finding the Fourth Proportional to 482,918.52, 666,430.14 and 301,735.53

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Solution

The fourth proportional to 482,918.52, 666,430.14 and 301,735.53 is: 416,396.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,918.52 : 666,430.14 = 301,735.53 : x
  2. Step 2: Convert to fraction form
    482,918.52/666,430.14 = 301,735.53/x
  3. Step 3: Cross multiply
    482,918.52x = 666,430.14 × 301,735.53
  4. Step 4: Simplify right side
    482,918.52x = 201,085,652,632.38
  5. Step 5: Solve for x
    x = 201,085,652,632.38/482,918.52
  6. Step 6: Final answer
    x = 416,396.64

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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.