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Finding the Fourth Proportional to 483,615.36, 666,685.81 and 337,968.95

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Solution

The fourth proportional to 483,615.36, 666,685.81 and 337,968.95 is: 465,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,615.36 : 666,685.81 = 337,968.95 : x
  2. Step 2: Convert to fraction form
    483,615.36/666,685.81 = 337,968.95/x
  3. Step 3: Cross multiply
    483,615.36x = 666,685.81 × 337,968.95
  4. Step 4: Simplify right side
    483,615.36x = 225,319,101,495.76
  5. Step 5: Solve for x
    x = 225,319,101,495.76/483,615.36
  6. Step 6: Final answer
    x = 465,905.60

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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.