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Finding the Fourth Proportional to 483,707.62, 725,576.69 and 123,880.74

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Solution

The fourth proportional to 483,707.62, 725,576.69 and 123,880.74 is: 185,825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,707.62 : 725,576.69 = 123,880.74 : x
  2. Step 2: Convert to fraction form
    483,707.62/725,576.69 = 123,880.74/x
  3. Step 3: Cross multiply
    483,707.62x = 725,576.69 × 123,880.74
  4. Step 4: Simplify right side
    483,707.62x = 89,884,973,656.07
  5. Step 5: Solve for x
    x = 89,884,973,656.07/483,707.62
  6. Step 6: Final answer
    x = 185,825.01

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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.